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Differentiation   /dɪfərˌɛnʃiˈeɪʃən/  /dˌɪfərˌɛntʃiˈeɪʃən/   Listen
Differentiation

noun
1.
A discrimination between things as different and distinct.  Synonym: distinction.
2.
The mathematical process of obtaining the derivative of a function.
3.
(biology) the structural adaptation of some body part for a particular function.  Synonyms: specialisation, specialization.



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"Differentiation" Quotes from Famous Books



... This differentiation having been effected, each several part assumes its special office, having a life of its own adjusted to that of other parts and the whole. "Just as a tree constitutes a mass arranged in a definite manner, in which, ...
— The Autocrat of the Breakfast-Table • Oliver Wendell Holmes, Sr. (The Physician and Poet not the Jurist)

... the industrial arts a differentiation of a new character sets in and presently grows progressively more pronounced and more effectual, giving rise to a regrouping on lines that run regardless of those frontiers that divide one community from another for purposes of patriotic ...
— An Inquiry Into The Nature Of Peace And The Terms Of Its Perpetuation • Thorstein Veblen

... great obstacle to any confident differentiation of the customs and creeds prevalent in Japan. That obstacle consists in the great length of the period covered by the annals. It may reasonably be assumed that the neolithic aborigines were in more or less intimate contact with the invading Yamato ...
— A History of the Japanese People - From the Earliest Times to the End of the Meiji Era • Frank Brinkley and Dairoku Kikuchi

... the spring of 1906 the Government decided to appoint a strong Committee to inquire into the questions of graduation and differentiation of the income tax, which had for some Sessions been coming into prominence in consequence of the financial difficulties caused by the South African War. Mr. Asquith, then Chancellor of the Exchequer, offered the chairmanship to Sir Charles Dilke, who had never claimed to be an expert in finance, ...
— The Life of the Rt. Hon. Sir Charles W. Dilke, Vol. 2 • Stephen Gwynn

... belongs to the Hidatsa linguistic substock, it is very probable that the social laws and customs of the one people are identical with those of the other, as there has been nothing to cause extensive differentiation. ...
— Siouan Sociology • James Owen Dorsey

... run together, of the same yellow sarcode stuck against one side, the remainder of the chamber being empty. No definite arrangement and no approach to structure was observed in the sarcode, and no differentiation, with the exception of round bright-yellow oil-globules, very much like those found in some of the radiolarians, which are scattered, apparently irregularly, in the sarcode. We never have been able to detect, in any of the large ...
— Discourses - Biological and Geological Essays • Thomas H. Huxley

... kind do so exceedingly abound, that none can be taken as genuine without such special certificate. The widespread confusion with the poet of the rhetorician and sentimentalist in verse, and again of the mere rhymer without even rhetoric, not to refer to finer differentiation of error, is also a fruitful source of bewilderment. The misuse of the word has parallels: for instance, the spurious generic use of the word 'man' for 'male,' the substitution of 'artist' for 'painter.' But here we have only to deal with that one particular ...
— The Book-Bills of Narcissus - An Account Rendered by Richard Le Gallienne • Le Gallienne, Richard

... great steps in organic evolution was the differentiation of two different physiological types, the male or sperm-producer and the female or egg-producer. It seems to be a deep-seated difference in constitution, which leads one egg to develop into a male, and another, lying beside ...
— The Outline of Science, Vol. 1 (of 4) - A Plain Story Simply Told • J. Arthur Thomson

... obliteration of the anterior scleral venous channels (Schlemm's canal) in buphthalmos. Seefelder (Graefe's Arch. V. LXIII. 1906) mentions the abnormal position and abnormal narrowing of Schlemm's canal and the imperfect and insufficient differentiation of the cornea-scleral junction. In all of the cases in which the eye has been examined microscopically obliteration of Schlemm's canal has been reported. This is thought to be a defect in development. Magitot ...
— Glaucoma - A Symposium Presented at a Meeting of the Chicago - Ophthalmological Society, November 17, 1913 • Various

... cases the differentiation of the sexual cells does not proceed so far as the formation of antherozoids or of distinct oospheres; these cases I shall investigate with ...
— Scientific American Supplement, Vol. XXI., No. 531, March 6, 1886 • Various

... hurried to change her dress in order to bid us good-bye. Here the son-in-law, a fine handsome fellow, was the cook, and when dinner was served he used to emerge from his kitchen and chat with the guests or play with his children in the cool evening hour. There is none of that differentiation of labour witnessed in England, and on the whole the stranger fares none the worse. With regard to French hotels generally the absence of competition in large towns strikes an English mind. At St. Di, as in ...
— In the Heart of the Vosges - And Other Sketches by a "Devious Traveller" • Matilda Betham-Edwards

... stand about five feet ten inches. The women are short and plump. They all have powerful torsos, but their legs are rather slender. The muscular development of the men is astonishing, though their fatty roundness hides the differentiation of the muscles. ...
— The North Pole - Its Discovery in 1909 under the auspices of the Peary Arctic Club • Robert E. Peary

... Z—A further differentiation; matter is atomic: the abstract significance of number or seed is attached to these letters: ...
— AE in the Irish Theosophist • George William Russell

... impoverishment of character which is implied in the process. Give every man a vote, and abolish all interference with each man's private tastes, and the danger may still be as great as ever. The tendency to 'differentiation'—as we call it in modern phraseology—the social pulverisation, the lowering and narrowing of the individual's sphere of action and feeling to the pettiest details, depends upon processes underlying all political changes. It cannot, therefore, be cured by any nostrum of constitution-mongers, ...
— Hours in a Library - New Edition, with Additions. Vol. II (of 3) • Leslie Stephen

... not give us the differentiation we desire, we will abandon the definitions of psychology by content. What now remains? The definitions from the point of view. The same fact may he looked at, like a landscape, from different points of view, and appears different with the changes therein. It is so with the facts we consider psychical, ...
— The Mind and the Brain - Being the Authorised Translation of L'me et le Corps • Alfred Binet

... vital and social functions, lies the sexual instinct. If nature had solved the problem of reproduction without the differentiation of sex, our emotional life would have been radically different. So profound and, especially in woman, so pervasive an influence does this function exert, that we should betray an entirely unreal view of human nature if we did not inquire into the relations of ...
— The Sense of Beauty - Being the Outlines of Aesthetic Theory • George Santayana

... Taoism, like its legitimate successor Zennism, represents the individualistic trend of the Southern Chinese mind in contra-distinction to the communism of Northern China which expressed itself in Confucianism. The Middle Kingdom is as vast as Europe and has a differentiation of idiosyncrasies marked by the two great river systems which traverse it. The Yangtse-Kiang and Hoang-Ho are respectively the Mediterranean and the Baltic. Even to-day, in spite of centuries of unification, the Southern Celestial differs in his thoughts and beliefs from ...
— The Book of Tea • Kakuzo Okakura

... place with a pocket-compass, allowing two seconds for magnetic variation. He took the time (Pacific) by his watch, correcting it for local time. He paced off the distance from the cabin site to the corpse, and corrected that for tidal differentiation. He took the altitude with a pocket-aneroid, and the temperature with a pocket-thermometer. Finally he said, ...
— A Double Barrelled Detective Story • Mark Twain

... wonderful than the other, but there is really a vast distinction between them. At an early stage in the development of the embryo, the cells composing it become divisible into three layers. It is even possible, as Loeb maintains, that this differentiation is present in the unsegmented ovum, in which case the facts to be detailed become still more remarkable and significant. These layers are known as epi-, meso-, and hypo-blast; and from each one of them arise certain portions of the body, and certain portions ...
— Science and Morals and Other Essays • Bertram Coghill Alan Windle

... beautiful hills, that seem at first to be many less miles distant than the reality, and at the last to be many more miles remote than is the fact. From the prow you will make out first a uniform velvet green; then the differentiation of many shades; then the dull neutrals of rocks and crags; finally the narrow white of a pebble beach against which the waves utter continually a rattling undertone. The steamer pushes boldly in. The cool green of the water underneath changes to gray. ...
— The Forest • Stewart Edward White

... determined. Methods of recounting prehistoric time: (1) geologic method, (2) paleontology, (3) anatomy, (4) cultures. Prehistoric types of the human race. The unity of the human race. The primitive home of man may be determined in a general way. The antiquity of man is shown in racial differentiation. The evidences of man's ancient life in different localities: (1) caves, (2) shell mounds, (3) river and glacial drifts, (4) burial-mounds, (5) battle-fields and village sites, (6) lake-dwellings. Knowledge of man's antiquity ...
— History of Human Society • Frank W. Blackmar

... have his own work. In all living creatures, differentiation of organs increases as the creature rises in the scale of being, from the simple sac which does everything up to the human body with a distinct function for every finger. It should not be possible for a lazy Christian to plead truly as his vindication ...
— Expositions Of Holy Scripture - Volume I: St. Luke, Chaps. I to XII • Alexander Maclaren

... their fellows and became a separate class, who were destined to exercise a most far-reaching influence on the political, religious, and intellectual evolution of mankind. Social progress, as we know, consists mainly in a successive differentiation of functions, or, in simpler language, a division of labour. The work which in primitive society is done by all alike and by all equally ill, or nearly so, is gradually distributed among different classes of workers and executed ...
— The Golden Bough - A study of magic and religion • Sir James George Frazer

... must have originated. It is the [249] manner in which all advance in the animal and vegetable kingdoms must have taken place, continuously adding new characters to the already existing number. Contrasted with this method of growing differentiation, are the retrogressive modifications, which simply retrace a step, and the degressive changes in which a backward step is retraced and old characters revived. No doubt both of these methods have been operative on a large scale, ...
— Species and Varieties, Their Origin by Mutation • Hugo DeVries

... especially, the fact that woman had to rely on cunning and the protection of man rather than on swift motion, while man had a freer range of motion and adopted a fighting technique, was the starting-point of a differentiation in the habits and interests, which had a profound effect on the consciousness of each. Man's most immediate, most fascinating, and most remunerative occupation was the pursuit of animal life. The pursuit of this stimulated ...
— Sex and Society • William I. Thomas

... general conclusion here made as to the British and non-British element in the population of America, for the Dutch, the German, the French, and the Swedish cognomens are characteristically different from the British. But the differentiation between Irish, Welsh, Scotch, Scotch-Irish, and English names is infinitely more difficult. The Scotch-Irish particularly have challenged the conclusions reached by the Census Bureau. They claim a ...
— Our Foreigners - A Chronicle of Americans in the Making • Samuel P. Orth

... place; some form, as it were, a leaf which folds over and makes the intestines, others separate to form the nervous system, one group isolates and specializes itself to make the liver, and thus an organization of parts, more and more pronounced, together with a minute differentiation of each individual arrangement of the cells, is carried on. The future functions of the body all depend upon the possibility of the cells so ...
— Spontaneous Activity in Education • Maria Montessori

... its reality consists in the interest of the whole being realized in particular ends. Actuality is always the unity of universality and particularity, and the differentiation of the universal into particular ends. These particular ends seem independent, though they are borne and sustained by the whole only. In so far as this unity is absent, no thing is real, though it may exist. A bad State is one which merely ...
— The German Classics of The Nineteenth and Twentieth Centuries, Vol. VII. • Various

... of natural differentiation out of the primitive University. Other constituents, foreign to its nature, were speedily grafted upon it. One of these extraneous elements was forced into it by the Roman Church, which in those days asserted with effect, that ...
— Science & Education • Thomas H. Huxley

... book, "The Freedom and Science of Teaching," Haeckel applies the poetic monistic ideas of Goethe to biology and then to sociology. "All is one." And this oneness that everywhere exists is simply a differentiation of the ...
— Little Journeys to the Homes of the Great - Volume 12 - Little Journeys to the Homes of Great Scientists • Elbert Hubbard

... facts are those which are classed by biologists under the heads of Embryology and of Palaeontology. Embryology proves that every higher form of individual life becomes what it is by a process of gradual differentiation from an extremely low form; palaeontology proves, in some cases, and renders probable in all, that the oldest types of a group are the lowest; and that they have been followed by a gradual succession of more and more differentiated ...
— Collected Essays, Volume V - Science and Christian Tradition: Essays • T. H. Huxley

... of the distinctively modern. There is no precise date at which we take up each of the successive stories, but the main sweep of development has to do in each case with the nineteenth century. We shall see at once that this is a time both of rapid progress and of great differentiation. We have heard almost nothing hitherto of such sciences as paleontology, geology, and meteorology, each of which now demands full attention. Meantime, astronomy and what the workers of the elder day called natural philosophy become wonderfully ...
— A History of Science, Volume 3(of 5) • Henry Smith Williams

... in character and usefulness, and let us try by differentiation and elimination to isolate and consider those particular classes of intellect whose activities bear most directly on the questions raised by Socialistic theory. The chiefs are the devotees of pure science—the Galileos, the Newtons, ...
— The Inhumanity of Socialism • Edward F. Adams

... sexual differences manifest themselves in the formation of the pelvis. However this may be, it is beyond question that during the earlier years of the first period of childhood the differences between the sexes are comparatively trifling. But towards the end of this period, sexual differentiation becomes more marked. According to Stratz, it is at this time that the characteristic form of the lower half of the body develops. The thighs and the hips of the young girl exhibit a somewhat more marked deposit ...
— The Sexual Life of the Child • Albert Moll

... is the class of Liorhizal Dicotyledons, which includes only the families of Nymphaeaceae and Gramineae. It is based upon the fact that the histological differentiation of the epidermis of their root is that generally characteristic of Monocotyledons, whilst they have two cotyledons—the old view of the epiblast as a second cotyledon in Gramineae being adopted. But the presence of a second cotyledon in grasses ...
— Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 • Various

... in terms of mind. The facts of nutrition teach us that the first life upon the earth was vegetable; and though the vegetable world displays great complexity, and that which, on some definitions, would be called progress, yet we cannot say that there is any more mind, any greater differentiation or development of sentience, in the oak than in the alga. When we turn, however, to the animal world—which is parasitic, indeed, upon the vegetable world—we find that in what we may call the main line of ascent there has been, along with increasing anatomical complexity, ...
— Woman and Womanhood - A Search for Principles • C. W. Saleeby

... that cannot be supplied by differentiation within Caucasian limits haunts us as it has done from the very birth of the colonies. Like the Wild Huntsman, we have had the sable spectre close beside us through the whole run. But, more fortunate than he, we see ...
— Lippincott's Magazine of Popular Literature and Science - February, 1876, Vol. XVII, No. 98. • Various

... and self-fertilisation injurious.—Allied species differ greatly in the means by which cross-fertilisation is favoured and self-fertilisation avoided.—The benefits and evils of the two processes depend on the degree of differentiation in the sexual elements.—The evil effects not due to the combination of morbid tendencies in the parents.—Nature of the conditions to which plants are subjected when growing near together in a state of nature or under culture, and the effects ...
— The Effects of Cross & Self-Fertilisation in the Vegetable Kingdom • Charles Darwin

... evolution by physical causes the evidence in the two cases is not equal. For, upon this hypothesis we have the eye beginning, not as a ready-made structure prepared beforehand for the purposes of seeing, but as a mere differentiation of the ends of nerves in the skin, probably in the first instance to enable them better to discriminate changes of temperature. Pigment having been laid down in these places the better to secure this purpose (I use teleological terms for the sake of brevity), the nerve-ending begins ...
— Thoughts on Religion • George John Romanes

... 'Notitia' were probably a lower class of Exceptores, who may very likely have disappeared when the Augustales were formed out of them by the process of differentiation which ...
— The Letters of Cassiodorus - Being A Condensed Translation Of The Variae Epistolae Of - Magnus Aurelius Cassiodorus Senator • Cassiodorus (AKA Magnus Aurelius Cassiodorus Senator)

... up to this age, the instruction given to all the children of Freeland is the same, except that among the girls less time is given to bodily exercises and more to musical training. At sixteen years of age begins the differentiation of the training of the sexes, and also the preparation of the boys for their several vocations. The girls either remain at home, and there complete their education in those arts and branches of knowledge, the rudimental preparation for which they have already received; ...
— Freeland - A Social Anticipation • Theodor Hertzka

... density, elasticity, hardness, electrical and thermal conductivity, thermal expansion, &c.; the chemist, on the other hand, investigates changes in composition, such as may be effected by an electric current, by heat, or when two or more substances are mixed. A further differentiation of the provinces of chemistry and physics is shown by the classifications of matter. To the physicist matter is presented in three leading forms—solids, liquids and gases; and although further subdivisions have been rendered necessary with the growth of knowledge the same principle ...
— Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 - "Chtelet" to "Chicago" • Various

... day and said, "John was playing on the floor this afternoon, and all at once he stopped and watched me, and then said, 'Mamma, I wish you were as much like Jesus as my teacher is'" The lesson, the music, the prayer and all the differentiation of the day and place tend to elevate the teacher above those who share his daily life, and envelop her with an atmosphere more mystic and holy. She is connected not with clothes and bread and butter episodes, but wholly with the thought of Jesus, and stands by His side in ...
— The Unfolding Life • Antoinette Abernethy Lamoreaux

... three cases of crossing: by conjugation, Ursule, Aristide, Anna, Victor; by dissemination, Maxime, Serge, Etienne; by fusion, Antoine, Eugene, Claude. I even noted a fourth case, a very remarkable one, an even cross, Pierre and Pauline; and varieties are established, the differentiation of the mother, for example, often accords with the physical resemblance of the father; or, it is the contrary which takes place, so that, in the crossing, the physical and mental predominance remains with one parent or the other, ...
— Doctor Pascal • Emile Zola

... the ashes of the nationalised banking business. These institutions would make themselves responsible for the lending side of banking, and would obviously, and naturally, be allowed to make a profit on this side of the business. In this differentiation Mr Webb's ingenuity is seen at its very best. He reserves for the State that part of banking which is purely a matter of routine, and he leaves to private enterprise that part of it which requiries ...
— War-Time Financial Problems • Hartley Withers

... new point of departure has to take place within human consciousness, and the attempt to move in an ethical direction is as much hindered as helped by the natural course of the physical universe. This lecture of Huxley's runs parallel in many ways with Eucken's differentiation of Nature and Spirit, and Huxley's "ethical life" has practically the same meaning as Eucken's "spiritual ...
— An Interpretation of Rudolf Eucken's Philosophy • W. Tudor Jones

... one of the main cults, even after other elements of later religion have been superimposed upon it. In Greece and Rome it remained to the last an important part of domestic ritual. But in most cases a gradual differentiation is set up in time between various classes of ghosts or dead persons, some ghosts being considered of more importance and power than others; and out of these last it is that gods as a rule are finally developed. A god, in fact, is in the beginning, at least, ...
— God and my Neighbour • Robert Blatchford

... The effect of Differentiation on a Particle is very remarkable, the first differential being frequently of greater value than the original particle, and the second ...
— The Life and Letters of Lewis Carroll • Stuart Dodgson Collingwood

... ostensibly referring to one matter the passage would in reality treat of a second altogether different matter. We have therefore to conclude that, while the term 'Being' ordinarily denotes that which is differentiated by names and forms, the term 'Non-being' denotes the same substance previous to its differentiation, i.e. that Brahman is, in a secondary sense of the word, called Non-being, previously to the origination of the world. The same interpretation has to be applied to the passage 'Non-being this was in the beginning' (Ch. Up. ...
— The Vedanta-Sutras with the Commentary by Sankaracarya - Sacred Books of the East, Volume 1 • George Thibaut

... for divergence in the spiritual. It has been such a busy world for twenty years. So many things have been torn up by the roots again that were settled when we left college. There were to be no more wars; democracy was democracy, and progress, the differentiation of the individual, was a mere question of clothes; if you want to be different, go to your tailor; nobody had demonstrated that there is a man-soul and a woman-soul, and that each is in reality ...
— Baddeck and That Sort of Thing • Charles Dudley Warner

... those who directed the movement was the exclusion from public trust of persons professing the Catholic religion, then, of course, it was an object which could not be avowed without bringing them into open conflict with the Constitution, which expressly forbade such differentiation on ...
— A History of the United States • Cecil Chesterton

... wealth. Then all would acknowledge the harmony of labor and capital, their ultimate association in profits for mutual benefit. This social as well as political union, together with the specializing and differentiation of pursuits, and observing duties as rights, would falsify the gloomy dogma of Malthus, founded on the doctrine of the eternal and ever-augmenting antagonism of wages and money, and solve, in favor of humanity, the great problem of the grand and glorious destiny ...
— The Continental Monthly, Vol 2, No 6, December 1862 - Devoted to Literature and National Policy • Various

... and polishes its denizens into a defined model: it worships standardisation; but the country encourages differentiation, it loves new types. Thus it is that so many great and original men have lived their youth upon the land. It would be impossible to imagine Abraham Lincoln brought up in a street of tenements. Family ...
— Adventures In Contentment • David Grayson

... The amount of pressure brought to bear upon the keys depends upon the amount of arm weight and upon the quickness with which the muscles of the hand, forearm, full-arm and back permit the key to be struck. Upon these two means of administering force must depend whatever differentiation in dynamic power and tonal quality the player desires to produce. The various gradations of tone which the virtuoso's hand and arm are trained to execute are so minute that it is impossible for me to conceive of a scientific instrument ...
— Great Pianists on Piano Playing • James Francis Cooke

... the seventeenth century the old order was fast disappearing. The ideal of a single Christian community, so long symbolized by the Holy Roman Empire and the Holy Catholic Church, was losing its hold upon the minds of men as the result of the differentiation of European culture on lines of racial or national distinction. In politics this movement was embodied in the rise of the centralized national state; and the sixteenth century ushered in the era of international wars, of which the struggle between Elizabeth ...
— Beginnings of the American People • Carl Lotus Becker

... of an hypothesis which MAY be true, but not necessarily so. And then to conclude, 'Therefore I am,' is to advance one of the most shaky conclusions of all time. Underneath that so-called logical conclusion lies a metaphysics of being, a theory of Wholes, a recognition by differentiation of parts, with a denial of all but the one part set apart by that differentiation, and, in short, the most irrational hodgepodge of contradictory conclusions the thinking mind can conceive. This pre-cognition that enables one to arrive at the tenuous statement, 'I think, therefore I ...
— The Unthinking Destroyer • Roger Phillips

... confirmed by the Act of Uniformity, were very much easier to reconcile with Calvinism than with what Calvinists called idolatry, and in particular the abolition of the law of celibacy in itself had a very strong tendency to abolish the sense of differentiation between clergy and laity so essential to the old Catholic position. It may have been the consciousness of this which made Elizabeth feel and express with much freedom her own objection to married clerics. But Cecil and his party were alive to the fact that the religious cleavage was everywhere ...
— England Under the Tudors • Arthur D. Innes

... were pronounced with the right intonation. The well-informed priest had an almost unlimited power over all supernatural beings on land, in the water, in the air, in heaven and in hell. Nowhere was the gulf between things human and things divine smaller, nowhere was the increasing differentiation that separated magic from religion less advanced. Until the end of paganism they remained so closely associated that it is sometimes difficult to distinguish the texts of one from those of ...
— The Oriental Religions in Roman Paganism • Franz Cumont

... suppose, would be agreeably painted so as to resemble a skeleton, while a botanist would enliven the street with the appearance of a Jack-in-the-Green. So while I regarded the astronomical lecturer in the astronomical coat as a figure distinguishable, by a high degree of differentiation, from the artless astronomers of my island home (enough their simple loveliness for me) I saw in him nothing illogical, but rather an imaginative extreme of logic. And then came another turn of the wheel of topsy-turvydom, ...
— What I Saw in America • G. K. Chesterton

... the chief offender was the democratic Swiss Confederation, the Federal constitution of which was exclusively Christian, while the Cantonal legislation was in many cases frankly and even aggressively anti-Semitic. Until 1827 the Swiss Commercial Treaties contained no hint of religious differentiation, but in that year, availing themselves of the reactionary and clerical sympathies of the government of Charles X, the Federal Authorities negotiated a Treaty with France containing a "National treatment" clause, under which the powers of the separate Cantons to deal as they pleased with Jews ...
— Notes on the Diplomatic History of the Jewish Question • Lucien Wolf

... all these people come together? She did not yet understand the basic necessity that drives the male to the female. Sex was not yet to her a physiological distinction, it was only a differentiation of clothing, a matter of whiskers and no whiskers: but she had begun to take a new and peculiar interest in men. One of these hurrying or loitering strangers might be the husband whom fate had ordained for her. She would scarcely have been surprised if one of the men who looked ...
— Mary, Mary • James Stephens

... Fleas with Special Reference to the Fate of Plague Bacillus in the Body of the Rat Flea," "Experimental Production of Plague Epidemics Among Animals," "Experiments in Plague Houses in Bombay," "On the External Anatomy of the Indian Rat Flea and Its Differentiation from Some Other Common Fleas," "A Note on Man as a Host of the Indian Rat Flea," and others on the relation of rats to plague. The third number, Vol. VII, Dec., 1907, contains articles on "Digest of Recent Observations ...
— Insects and Diseases - A Popular Account of the Way in Which Insects may Spread - or Cause some of our Common Diseases • Rennie W. Doane

... with such detailed precision of outline, especially as regards foliage, he draws in his swarming little figures with such sharp lines, that the whole seems reflected in the eye of an eagle rather than in that of a man. On the other hand we miss the unity and the differentiation of the combined effect—the concentration of large groups, an eye for the landscape as an organic whole. Claude Lorraine and Ruysdael are the first who may be called epoch-making along these lines; they are also, in this sense, the ancestors of modern landscape ...
— The German Classics of The Nineteenth and Twentieth Centuries, Vol. VIII • Various

... individual capacity and productivity. It is the average amount of labor expended in killing the beaver which counts, not the actual individual labor in a specified case. Nor did these writers overlook the important differentiation between simple, unskilled labor and labor that is highly skilled. If A in ten hours' labor produces exactly double the amount of exchange-value which B produces in the same time devoted to labor of another kind, it ...
— Socialism - A Summary and Interpretation of Socialist Principles • John Spargo

... animals or plants? Was Nature then so poor that forsooth only two lines of differentiation were at the beginning open for her effort? May we not rather believe that life's tree may have risen at first in hundreds of tentative trunks of which two have become in the progress of the ages so far dominant as to entirely obscure less progressive ...
— The North American Slime-Moulds • Thomas H. (Thomas Huston) MacBride

... were in Franklin Kane, they were to be sought for, they did not present themselves; and he himself would have been the last to be conscious of them. He didn't think of himself as differentiated; he didn't desire differentiation. ...
— Franklin Kane • Anne Douglas Sedgwick

... feeling in the hearts of those expressing it, Law's singer has every advantage; indeed no objection on this score can be raised to him. But now suppose for a moment that he has not the emotion at heart corresponding to his attempt at song, and I think the differentiation of motives for congregational ...
— A Practical Discourse on Some Principles of Hymn-Singing • Robert Bridges

... Nor is this differentiation unimportant. The cutaneous covering presents such an extensive surface for the secretion of cuticular scales, hairs, horn, sebaceous matter, sweat, and other excretory matters, that any extensive disorder in its functions may lead to serious internal disease and ...
— Special Report on Diseases of the Horse • United States Department of Agriculture

... a plain arch, while 160 is a tented arch. This differentiation is necessary because, if the first pattern were printed crookedly upon the fingerprint card so that the ending ridge was nearer the horizontal plane, there would be no way to ascertain the true horizontal plane of the pattern (if the fissure of the finger did not appear). ...
— The Science of Fingerprints - Classification and Uses • Federal Bureau of Investigation

... the peoples of Western Europe began to show themselves even in their Latin poetry, but it is naturally in the rise of the vernacular literatures, during the Middle Ages, that we trace the signs of thnic differentiation. Teuton and Frank and Norseman, Spaniard or Italian, betray their blood as soon as they begin to sing in their own tongue. The scanty remains of Anglo-Saxon lyrical verse are colored with the love of battle and of the sea, with the ...
— A Study of Poetry • Bliss Perry

... possess individual character, such as is manifest among Oaks and Elms. But the California forests are made up of a greater number of distinct species than any other in the world. And in them we find, not only a marked differentiation into special groups, but also a marked individuality in almost every tree, giving rise to storm ...
— English Prose - A Series of Related Essays for the Discussion and Practice • Frederick William Roe (edit. and select.)

... prevent a possible conflict between ideals. If there were no longer our modern strife between nations, there would only be a strife between Utopias. For the highest thing does not tend to union only; the highest thing, tends also to differentiation. You can often get men to fight for the union; but you can never prevent them from fighting also for the differentiation. This variety in the highest thing is the meaning of the fierce patriotism, the fierce nationalism of the great European civilization. It is also, ...
— Heretics • Gilbert K. Chesterton

... of the county moulded and sustained local feeling during the generations when local government and local initiative were dying elsewhere; it has preserved a sort of aristocratic independence, the survival of custom, and the differentiation ...
— On Something • H. Belloc

... argument, we say that certain of the ancient natural philosophers maintained confusion devoid of all distinction; except Anaxagoras, who taught that the intellect alone was distinct and without admixture. But previous to the work of distinction Holy Scripture enumerates several kinds of differentiation, the first being that of the heaven from the earth, in which even a material distinction is expressed, as will be shown later (A. 3; Q. 68, A. 1). This is signified by the words, "In the beginning God created heaven and earth." The second distinction mentioned ...
— Summa Theologica, Part I (Prima Pars) - From the Complete American Edition • Thomas Aquinas

... Add to the single differentiation enormous wealth—we convulse the excellent Dame by terming it a chained hurricane, to launch in foul blasts or beneficent showers, according to the moods during youth—and the composite Lord Fleetwood comes ...
— The Shaving of Shagpat • George Meredith

... not see your objection to sterility between allied species having been aided by Natural Selection. It appears to me that, given a differentiation of a species into two forms, each of which was adapted to a special sphere of existence, every slight degree of sterility would be a positive advantage, not to the individuals who were sterile, but to each ...
— Alfred Russel Wallace: Letters and Reminiscences, Vol. 1 (of 2) • James Marchant

... it is a true one. The Jiv-atma in the Microcosm (man) is the same spiritual essence which animates the Macrocosm (universe), the differentiation, or specific difference between the two Jivatmas presenting itself but in the two states or conditions of the same and one Force. Hence, "this son of Paramatma" is an eternal correlation of the Father-Cause. Purusha manifesting himself as Brahma of the "golden ...
— Five Years Of Theosophy • Various

... diagnosis of lymphadenoma at an early stage. The negative results of tuberculin tests may assist in the differentiation from tuberculous disease, but the more certain means of excising one of the suspected glands and submitting it to microscopical examination should be had recourse to. The sections show proliferation of endothelial cells, the formation of numerous giant cells quite unlike ...
— Manual of Surgery - Volume First: General Surgery. Sixth Edition. • Alexis Thomson and Alexander Miles

... seem like an unwarrantable invasion of the inner fortress of another individual, making his views spiritual responsible for his fortunes temporal. But in Ireland, in the earlier half of the troubled nineteenth century, such differentiation was inspired not by bigotry, but by fear. When a man's foes might be, and often were, those of his own household, that his servants should be of his own religion was almost his only safeguard against espionage. There is somewhat to be said on both sides; it will not be said here, but that there have ...
— Mount Music • E. Oe. Somerville and Martin Ross

... quantity output of that subtle reality we label energy, but also an apparatus for varying the available amount of it, and for permitting the maximum range in ease and rapidity of its utilization. The thyroid is still another device of life for procuring more and more variation and differentiation, its goal, as far as we can peer through the opalescent screen upon ...
— The Glands Regulating Personality • Louis Berman, M.D.

... first Henry we can indeed trace the beginnings of differentiation in the machinery of government, but the process was as yet wholly unconscious. We find in this reign evidence of a large curia regis and of a small curia regis. The difference had probably existed in the two preceding reigns, but it now becomes more apparent ...
— The History of England From the Norman Conquest - to the Death of John (1066-1216) • George Burton Adams

... which the appearance of Neanderthal Man is guessed at. All are hairy-chested, with long arms of tremendous power, and low, receding brows above their small, fierce, resentful eyes. All the civilized white races are represented, but except for the slight differentiation in color of hair, skin, eyes, all these ...
— The Hairy Ape • Eugene O'Neill

... differentiation of human occupations and amusements, our breeds of dogs have, by more or less deliberate selection, been developed until by form and instincts they fit a great variety of purposes. Some of these pertain to industrial work, but the greater portion ...
— Domesticated Animals - Their Relation to Man and to his Advancement in Civilization • Nathaniel Southgate Shaler

... to the importance of the part which the principle of individuality plays in the great drama daily enacting before our eyes, and which we know as evolution. It shows, as I shall hope to prove, that individuality bears the same relation to the development of mind that the differentiation of species does to the evolution of organic life: that the degree of individualization of a people is the self-recorded measure of its place in the great march ...
— The Soul of the Far East • Percival Lowell

... have descended from the group to which Blastomeryx belonged, this being a late Miocene genus from Nebraska, with cervine molars, but otherwise much like Cosoryx, which we have seen to be a possible ancestor of the prong-horn; or we may prefer to believe that the differentiation took place earlier in Europe or Asia, from ancestors common to both. But there is a serious dilemma. If we choose the former view, we must conclude that the deciduous antler was independently developed in each of the two continents, and while it is quite probable that approximately ...
— American Big Game in Its Haunts • Various

... estimate of myself as follows. If I had to confess and expose one opinion of myself which would record what I believe to be my differentiation from other people, it would be the opinion that I am a law unto myself and ...
— Marge Askinforit • Barry Pain

... in fact reach the Kabadi boundary, and if my notes on the Mafulu people are, as suggested, broadly descriptive of the natives of the whole Fuyuge area, there must be a very sudden and sharp differentiation, as the Kabadi people are apparently an offshoot from Mekeo, [22] with apparently other Papuo-Melanesian blood (especially ...
— The Mafulu - Mountain People of British New Guinea • Robert W. Williamson

... examine the characteristics common to them all. We shall set to work like the naturalist, who begins by describing the general characteristics common to all the members of a family before concerning himself with the particular characteristics which allow the differentiation of the genera and species ...
— The Crowd • Gustave le Bon

... again confirmed the determination of the American people that regulation of private enterprise and not Government ownership or operation is the course rightly to be pursued in our relation to business. In recent years we have established a differentiation in the whole method of business regulation between the industries which produce and distribute commodities on the one hand and public utilities on the other. In the former, our laws insist upon effective competition; in the latter, because we substantially confer a monopoly by limiting competition, ...
— United States Presidents' Inaugural Speeches - From Washington to George W. Bush • Various

... development the highest point reached is the aggregation of a great number of such cells into one or more clusters, either connected with or adjacent to each other. These cells were all the same, or essentially so; for while differentiation in use or function had been or was being developed at the time of the Spanish conquest, differentiation in form had not been reached. The kiva, of circular or rectangular shape, is a ...
— The Cliff Ruins of Canyon de Chelly, Arizona • Cosmos Mindeleff

... in a cave, for Father Lambert tells us that in the centre of it a shrub, always of the same species, is planted and carefully cultivated. Beside it may be seen the pots and stones which are used in cooking the food offered to the dead. In this worship of the dead a certain differentiation of functions or division of labour obtains between the various families. All have not the same gifts and graces. The prayers of one family offered to their ancestral ghosts are thought to be powerful in procuring rain in time of drought; the prayers of another will cause the sun to break ...
— The Belief in Immortality and the Worship of the Dead, Volume I (of 3) • Sir James George Frazer

... use dress to enhance the form, especially to emphasize the difference between sexes. Our women's accentuated hips and waistlines shock the Japanese, whose loose clothing is the same for men and women, the broader belt and double fold upon the small of the back, the obi, being the only differentiation. ...
— White Shadows in the South Seas • Frederick O'Brien

... different types act and react, how they combine with, transform, subjugate, ruin or replace each other in region after region. We thus re-interpret the vicissitudes of history in more general terms, those of the differentiation, progress or degeneracy of each occupational and social type, and the ascending and descending oscillations of these types. In short, these occupational struggles underlie and largely interpret even the conflict of races, upon which Mr. Stuart-Glennie and other sociologists ...
— Civics: as Applied Sociology • Patrick Geddes

... clinical group is founded on the symptom complex which is built around apathy. There is never any resemblance between apathy and the mood of elation or anxiety. A discrimination from depression is the only differentiation worth discussion. ...
— Benign Stupors - A Study of a New Manic-Depressive Reaction Type • August Hoch

... are to support motherhood in a state of natural inferiority. The trend of evolutionary forces through long centuries of human development has been on the whole in this second direction, has been towards differentiation. [Footnote: See Havelock Ellis's Man and Woman.] An adult white woman differs far more from a white man than a negress or pigmy woman from her equivalent male. The education, the mental disposition, of a white or Asiatic ...
— A Modern Utopia • H. G. Wells

... 110. Differentiation of Occupation.—If community life is to continue there must be the producers who farm or mine or manufacture; in rural districts they are farmers, hired laborers, woodcutters, threshers, and herdsmen. In the co-operation of village life there must be the craftsmen and tradesmen ...
— Society - Its Origin and Development • Henry Kalloch Rowe

... themselves, because for some unknown reason the motive powers of languages seem to have ceased when they were on the eve of completion: they became fixed or crystallized in an imperfect form either from the influence of writing and literature, or because no further differentiation of them was required for the intelligibility of language. So not without admixture and confusion and displacement and contamination of sounds and the meanings of words, a lower stage of language passes into a higher. Thus far we can see and no further. When we ask the reason why ...
— Cratylus • Plato

... it stands to reason that there is not always a hard and fast differentiation between these two orders of architecture, but there is one sure way by which each may be recognized and known. If the function appears to have created the form, and if everywhere the form follows the function, changing ...
— Architecture and Democracy • Claude Fayette Bragdon

... Liberal Arts at the Louisiana Purchase Exposition, it gives me great pleasure to make for you the best report I can on woman's work, my knowledge of most of which has been obtained from outside sources, as by neither registration nor cataloguing was there any differentiation between the work ...
— Final Report of the Louisiana Purchase Exposition Commission • Louisiana Purchase Exposition Commission

... known as Chevy Chase, is that of the Percy Folio, published in the Reliques, and among the Pepys, Douce, Roxburghe, and Bagford collections of ballads. For the sake of differentiation this may be called the broadside form of the ballad, as it forms a striking example of the impairment of a traditional ballad when re-written for the broadside press. Doubtless it is the one known and commented on by Addison in his famous papers (Nos. 70 and 74) in the Spectator ...
— Ballads of Scottish Tradition and Romance - Popular Ballads of the Olden Times - Third Series • Various

... of the sense of hearing the differentiation generally makes its appearance earlier; memory, as a rule, later. Yet children whose talent for music is developed early, retain melodies even in their first year of life. A girl to whom some of ...
— The Mind of the Child, Part II • W. Preyer

... there are three great discoveries which have caused our knowledge of the interdependence of the processes of nature to progress by leaps and bounds. In the first place, the discovery of the cell, as the unit, from the multiplication and differentiation of which, the whole of plant and animal substance develop so that not only the growth and development of all higher classes of all higher organisms is recognized as following a universal law, but the very path is shown in the capacity ...
— Feuerbach: The roots of the socialist philosophy • Frederick Engels

... European nations, having been fashioned and composed out of simple elements during the thousand years between the fall of the Roman Empire and that of its successor is the East, had reached full measure of differentiation. They were estranged from each other, and were inclined to treat the foreigner as the foe. Ancient links were loosened, the Pope was no longer an accepted peacemaker; and the idea of an international code, overriding the will of nations and the authority of sovereigns, ...
— Lectures on Modern history • Baron John Emerich Edward Dalberg Acton

... little differentiation of the functions of the in-tug-tu'-kan. It hears, reviews, and judges the individual disagreements of the members of the ato and makes laws by determining custom. It also executes its judgments or ...
— The Bontoc Igorot • Albert Ernest Jenks

... SPECIES HAS BEEN A GRADUAL DIFFERENTIATION. Tracing the lines of descent of various animals and plants of the present backward through the divisions of geologic time, we find that these lines of descent converge and unite in simpler and still simpler types. The development of life may be represented by a tree whose trunk is found in ...
— The Elements of Geology • William Harmon Norton

... the idea of quality, understood, of course, not in the scholastic sense, since from this quality we can argue with some precision by representing it under numerical symbols, but still constituting an element of differentiation and of heterogeneity. ...
— The New Physics and Its Evolution • Lucien Poincare

... The girl was a flower in perfect bloom, fresh-colored, slender and pliant as a willow, with all of the willow's grace in every movement. For all the twenty-odd years between them, and the gulf of sex differentiation, there was in her glance and bearing much of the middle-aged man who sat on the porch with a book across his knees and a clay pipe in his mouth. It did not lie in facial resemblance. It was more subtle than ...
— Burned Bridges • Bertrand W. Sinclair

... suppose that the monotheism of the early Aryans was all that we understand by that term; it is enough that the power addressed was one and personal. Even henotheism, the last name which Professor Max Mueller applies to the early Aryan faith, denotes oneness in this sense. The process of differentiation and corruption advanced more rapidly among the Indo-Aryans than in the Iranian branch of the same race, and in all lands changes were wrought to some extent by differences of climate and by environment.[34] The Norsemen, for example, struggling with the wilder and sterner forces of storm ...
— Oriental Religions and Christianity • Frank F. Ellinwood

... has not been the only tendency of scientific growth. Divergence and differentiation had not proceeded far till the combining and organizing movement began. The more individuality and complexity have threatened to outreach the mental powers and become unmanageable, the more have order and organization shown their ability to subordinate and ...
— The Continental Monthly, Vol. 3, No. 1 January 1863 - Devoted To Literature And National Policy • Various

... census, capitation, roll call, recapitulation; account &c. (list) 86. [Operations] notation, addition, subtraction, multiplication, division, rule of three, practice, equations, extraction of roots, reduction, involution, evolution, estimation, approximation, interpolation, differentiation, integration. [Instruments] abacus, logometer[obs3], slide rule, slipstick[coll.], tallies, Napier's bones, calculating machine, difference engine, suan- pan[obs3]; adding machine; cash register; electronic calculator, calculator, computer; [people who calculate] arithmetician, ...
— Roget's Thesaurus

... rooted and grounded in the institutions of the land, and has entrenched itself in the strongholds of Church and State, fashion, custom, and social life. And yet when I was in the South, I saw on every hand a growing differentiation towards the Government." ...
— Minnie's Sacrifice • Frances Ellen Watkins Harper

... It is only among agricultural and trade journals that we find a distinctly sectional circulation. Some of these publications serve subscribers in only one state or section, and others issue separate state or sectional editions. The best basis of differentiation among magazines, then, is not the extent of circulation but the class of readers appealed to, regardless of the part of the country in which the readers live. The popular general magazine, monthly or weekly, aims to attract readers of all classes in all ...
— How To Write Special Feature Articles • Willard Grosvenor Bleyer

... anything about books, who never read, who never study, and are popularly called empty-headed even by the very men who make love to them. These girls are keen beyond words to express in their intuitive knowledge of human nature and the differentiation between man nature and woman nature. They are capable of using the outward and apparent motives of humanity for an effect, and secretly of plying the ...
— From a Girl's Point of View • Lilian Bell

... the fertilized egg. But, though the cells that engender the sexual elements do not generally appear at the beginning of the embryonic life, it is none the less true that they are always formed out of those tissues of the embryo which have not undergone any particular functional differentiation, and whose cells are made of unmodified protoplasm.[8] In other words, the genetic power of the fertilized ovum weakens, the more it is spread over the growing mass of the tissues of the embryo; but, while it is being thus diluted, it is concentrating anew something of itself on a certain ...
— Creative Evolution • Henri Bergson

... view that the germ-cells or "stirp" (Galton) were IN the body, but not OF it. Indeed, in the body and out of it, whether as reproductive cells set free, or in the developing embryo, they are regarded as forming one continuous homogeneity, in contrast to the differentiation of the body; and it is to these cells, regarded as a continuum, that the terms stirp, germ-plasm, are especially applied. Yet on this view, so eagerly advocated by its supporters, we have to substitute for the hypothesis of memory, which they declare to have no real ...
— Unconscious Memory • Samuel Butler

... languages, great in number though they are, give evidence of a more primitive condition, when a far greater number were spoken. When there are two or more languages of the same stock, it appears that this differentiation into diverse tongues is due mainly to the absorption of other material, and that thus the multiplication of dialects and languages of the same group furnishes evidence that at some prior time there existed other languages which are now ...
— Seventh Annual Report • Various

... ambitious—as much in the interests of His reputation as in those of my own curiosity—to get at the logic of the affair, to get at the why and wherefore of it, and lay my finger on the spot where differentiation sets in." ...
— The History of Sir Richard Calmady - A Romance • Lucas Malet

... conducting these insurance systems was made in the decade from 1890 to 1900. The organizations with two exceptions have not adopted the policy of the insurance companies in varying the charge with the age of the insured. The device they have commonly used is the differentiation in the amount of insurance which may be taken in such a way that the older members may insure themselves only for a smaller amount. As early as 1886 the Firemen provided that only members under forty-five years of age might take insurance,[70] and ...
— Beneficiary Features of American Trade Unions • James B. Kennedy

... distinct Trade Schools for the thorough training of better class artisans, and at the same time they sought to preserve for the purposes of general education, such of the simpler processes of elementary trade learning as were best suited therefor. In this differentiation of the Trade School and manual training, the best of the industrial schools simply followed the plain trend of the present educational epoch. A prominent educator tells us that, in Sweden, "In the beginning the economic conception was generally adopted, and everywhere ...
— The Negro Problem • Booker T. Washington, et al.

... this effect. Thus Hauptmann renders all dialect with phonetic accuracy and correct differentiation. In Before Dawn, Hoffmann, Loth, Dr. Schimmelpfennig and Helen speak normal High German; all the other characters speak Silesian except the imported footman Edward, who uses the Berlin dialect. In The Beaver Coat the various gradations of that dialect are scrupulously ...
— The Dramatic Works of Gerhart Hauptmann - Volume I • Gerhart Hauptmann

... observations extend, namely, to the age of twenty. In girls no such great acceleration in muscular strength at puberty occurs, and after sixteen there is little increase in strength of grip. The well-known muscular differentiation of the ...
— Civics and Health • William H. Allen

... prejudice and malignity developed at a later day was inevitable with the ever-increasing conflict of interests. No foreigner really capable of estimating the conditions could have seriously entertained any hope of a rapprochement. The barriers of racial feeling, of emotional differentiation, of language, of manners and beliefs, are likely to remain insurmountable for centuries. Though instances of warm friendship, due to the mutual attraction of exceptional natures able to divine each other intuitively, might be cited, the foreigner, as a general ...
— Kokoro - Japanese Inner Life Hints • Lafcadio Hearn

... is before them. They know that a boy who is completely unmusical must not become a musician, and that the child who cannot draw at all must not become a painter, just as on physical grounds a boy with very weak muscles is not fit to become a blacksmith. But as soon as the subtler differentiation is needed, the judgment of all concerned seems helpless and the ...
— Psychology and Industrial Efficiency • Hugo Muensterberg

... and returns more minute, and thus the figures are to be accepted with more confidence than was possible with the earlier ones. The factory system, extending into almost every trade, brought about more and more differentiation of occupations, some two hundred of which were ...
— Women Wage-Earners - Their Past, Their Present, and Their Future • Helen Campbell

... -itchi, and -uru (-aree) being formative suffixes), we have here too a single phratry name on the one side and three sister names on the other. While it is clear that the names cannot be in any sense of the term recent, from the fact that linguistic differentiation had already gone some distance in what we may call, for want of a better term, groups speaking a stock language (in proof of which we have only to look at the formative suffixes), it seems equally clear that the present phratry names must be considerably later than the final ...
— Kinship Organisations and Group Marriage in Australia • Northcote W. Thomas

... may have an indefinitely long existence as it moves across the ocean, although both its shape and substance are constantly changing, and when it breaks against an obstacle the resultant motion may form new waves. And if a wave ceases to struggle for individual existence and differentiation from the surrounding sea, it cannot be said to exist any more as a wave. Yet neither the water which was its substance nor the motion which impelled it have been annihilated. It is not even quite correct to say that ...
— Hinduism and Buddhism, Vol I. (of 3) - An Historical Sketch • Charles Eliot

... It is organic differentiation, higher life, progress, evolution.... But difference of potential is a social as well as a physiological and physical principle, and perhaps we shall find the easiest transition from the physiological to ...
— Consanguineous Marriages in the American Population • George B. Louis Arner

... and the female, which produces ova. In the case of very simple forms, it would be simply the union or conjugation of a male and a female individual and the reproductive process involved. Where there is no differentiation into male and female there is ...
— Taboo and Genetics • Melvin Moses Knight, Iva Lowther Peters, and Phyllis Mary Blanchard



Words linked to "Differentiation" :   differentiate, word-splitting, operation, secernment, adjustment, distinction, hairsplitting, adaption, cluster of differentiation 4, biology, discrimination, demarcation, mathematical process, contradistinction, biological science, dividing line, contrast, mathematical operation, line, adaptation



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