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Molecule   /mˈɑləkjˌul/   Listen
Molecule

noun
1.
(physics and chemistry) the simplest structural unit of an element or compound.
2.
(nontechnical usage) a tiny piece of anything.  Synonyms: atom, corpuscle, mote, particle, speck.



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"Molecule" Quotes from Famous Books



... conductor. There must, of course, be an end to this process in theory, because all the molecules once moved must return to rest, or to a former condition, before being moved again. Therefore it is necessary to add that when the motion of the last molecule has been absorbed by some apparatus for applying it to utility, the last particles, atoms, molecules, are restored to rest, and may again receive motion from infringing particles, and this transmission of energy along a conductor is continuous—continually ...
— Steam Steel and Electricity • James W. Steele

... accompany the transformation of starch by diastase, and even if not strictly correct it has, at any rate, proved itself to be a practical working hypothesis, by which the mashing and fermenting operations may be regulated and controlled. According to Brown and Morris, the starch molecule consists of five amylin groups, each of which corresponds to the molecular formula (C{12}H{20}O{10}){20}. Four of these amylin radicles are grouped centrally round the ...
— Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 - "Brescia" to "Bulgaria" • Various

... a beautiful woman as he might have looked at a beautiful flower, confident that if he went beyond the mere admiration of it he would find only burned-out ashes. But in her he had seen something that was more than beauty, something that for a flashing moment had set stirring every molecule in his being. He had felt the desire to rest his ...
— The Hunted Woman • James Oliver Curwood

... quantities in America, Germany, France, Spain, Hungary, Norway, and Great Britain. According to Rose, apatite is made up of three molecules of tribasic calcium phosphate (Ca(PO4)2), combined with one molecule of calcium fluoride (Ca F2) or one molecule of ...
— Manures and the principles of manuring • Charles Morton Aikman

... know," calmly replied Serviss. "We admit that any material substance remains inexplicable. The molecule lies far below the line of visibility. We only push the zone of the known a little farther into the realm of the unknown; but how does ...
— The Tyranny of the Dark • Hamlin Garland

... was strangely secret. The whole world must be abolished. He maddened her with his soft, cajoling, vibrating tones. He wanted her to answer, to understand. A turgid, teeming night, heavy with fecundity in which every molecule of matter grew big with increase, secretly urgent with fecund desire, seemed to come to pass. She quivered, taut and vibrating, almost pained. And gradually, he ceased telling her of Africa, there came a silence, whilst ...
— The Rainbow • D. H. (David Herbert) Lawrence

... where the inspiration of mighty words breeds like "flies in the shambles." Such a soul has GAMBETTA. He is all language. If you were to cut him up in little bits and put each atom under a microscope, you would find in every molecule the text of some proclamation. The genii of syntax and prosody are his guardian angels, and the love of "gabble" is the be-all and the end-all of his political existence. He loves not GARIBALDI. He would have done violence to his grandmother ...
— Punchinello, Vol. II., No. 34, November 19, 1870 • Various

... one another in accordance with these laws. Until, therefore, it is absolutely disproved, it must remain the simplest and most probable assumption that they are finally made of the same stuff, that the material molecule is some kind of knot or ...
— The Unseen World and Other Essays • John Fiske

... that an atom of gunpowder may be saltpetre, charcoal, or sulphur, dependent on its fellow-atoms for power to act; whereas a chemical compound is such a perfect union of substances, that each ultimate molecule is complete in its definite proportions of the four elements, and therefore ...
— In the Track of the Troops • R.M. Ballantyne

... atomic. A fourth affirms, with Haeckel, the condensation of precipitation of matter from ether—whose existence is proved by the condensation of precipitation. The present trend of scientific thought is toward the theory of ions. The ion differs from the molecule, the corpuscle and the atom in that it is an ion. A fifth theory is held by idiots, but it is doubtful if they know any more about the matter than ...
— The Devil's Dictionary • Ambrose Bierce

... attractive nucleus, and one or more repulsive envelopes, we may explain all the general properties of matter; and, by more and more complex arrangements, even the special chemical, electrical, and magnetic properties of special forms of matter.[I] Each chemical element will thus consist of a molecule formed of simple atoms, (or as Mr. Bayma terms them to avoid confusion, "material elements") in greater or less number and of more or less complex arrangement; which molecule is in stable equilibrium, but liable to be changed in form by the attractive or repulsive influences ...
— Contributions to the Theory of Natural Selection - A Series of Essays • Alfred Russel Wallace

... mind show—if I must go so far to find an argument for the statement I am making—that into a single point of time or particle of matter may be gathered the relations of a solar system or the experiences of a life; that a universe may be compressed into an atom, or a molecule expanded into a macrocosm; therefore I expect nobody to sneer at my Rosamond as childishly nappy in her simple honeymoon, or at me for making extravagant and unsupported assertions, when I say that ...
— Real Folks • Mrs. A. D. T. Whitney

... a man had a pair of tweezers small enough to pick up a single molecule of lithium hydride and pinch the two nuclei together. Of course, the idea is ridiculous—that is, the tweezer part is. But if the pinch could be done ...
— Unwise Child • Gordon Randall Garrett

... flavor in peaches, and it could very easily make an off flavor in pecans. In tests before this on Meadow spittle bugs on crops which might be used for food they did not use BHC, which would be cheaper. There are four or five different forms of the molecule that are important in making that and this gamma is the most important. We used a pound of this 25% gamma lindane and that apparently was the most successful. I didn't get this idea out of a clear ...
— Northern Nut Growers Association Report of the Proceedings at the Forty-Second Annual Meeting • Northern Nut Growers Association

... of motion or of acceleration, since the new system of propulsion acted upon every molecule of matter within the radius of activity of the bar, which had been set to include the entire hull. The passengers felt only the utter lack of all weight and the other peculiar sensations with which they were already familiar, as each had had previous ...
— Skylark Three • Edward Elmer Smith

... chilled him, because, as he would have cheerfully admitted, he had recognised the facts and lowered his personal hopes of achievement—lowered them with a heroism which took account of himself as no more than a spiritual molecule rightly inspired and moving to the great future, already shining behind coming aeons, of the universal Kingdom. Indeed, his humility was scientific; he made his deductions from the granular nature of all change, moral and material. He never talked or thought of the Aryan souls that were ...
— Hilda - A Story of Calcutta • Sara Jeannette Duncan

... sulphureted hydrogen and sulphur dioxide through water, are based on the assumption that only one acid is present in the solution, and consequently do not establish the existence of pentathionic acid; as, for example, a mixture of one molecule of H2S4O6 and one molecule of H2S6O6 would give the same analytical results as H2S5O6. Moreover, no salt of pentathionic acid has been prepared in a pure state. The author has succeeded in preparing barium pentathionate thus: A Wackenroder solution was about half neutralized with barium ...
— Scientific American Supplement No. 275 • Various

... Moreover, it required to raise the stone to the roof the expenditure of an amount of energy exactly equal to that which will reappear if the stone is allowed to fall to the ground. So in a chemical molecule, like fat, there is a store of potential energy which may be made active by simply breaking the molecule to pieces and setting it free. This occurs when the fat burns and the energy is liberated as heat. But it required at some time the expenditure of an equal amount of energy to make the molecule. ...
— The Story of the Living Machine • H. W. Conn

... of no doubt concerning the main result, so we do not suppose an alternative to lie before any atom of any molecule at any moment during the process of combination. This process is, in all probability, an exceedingly complicated one, involving a multitude of actions and subordinate processes, which follow one upon the other, and each one of which has a beginning, a middle, and an end, though they ...
— Selections from Previous Works - and Remarks on Romanes' Mental Evolution in Animals • Samuel Butler

... do ye come, ye creature? Each of you Is perfect as an angel; wings and eyes Stupendous in their beauty—gorgeous dyes In feathery fields of purple and of blue! Would God I saw a moment as ye do! I would become a molecule in size, Rest with you, hum with you, or slanting rise Along your one dear sunbeam, could I view The pearly secret which each tiny fly, Each tiny fly that hums and bobs and stirs, Hides in its little breast eternally From you, ye prickly grim philosophers, ...
— Robert Falconer • George MacDonald

... cannot stop there. The bias derived from observation will infallibly carry you beyond the bourne of the senses, and compel you to regard this thing that we call magnetic polarity as resident in the ultimate particles of the steel. You come to the conclusion that each molecule of the magnet is endowed with this ...
— Six Lectures on Light - Delivered In The United States In 1872-1873 • John Tyndall

... conservatives, advocating the preservation of every antiquated evil, because it has acquired in their eyes a halo of 'respectability,' while on the 'extreme left' of their opponents will be found the radical innovators, for whom no extravagance of reform is too great; so that as each molecule or group of atoms has its positive and negative electrical point, and as each atom in turn obeys the same law, so we see the positive and negative poles of North and South again reflected in the rapidly increasing ...
— Continental Monthly, Vol. II. July, 1862. No. 1. • Various

... historian interested in certain aspects of pre-Lavoisierian science. The temerity with which physical phenomena are referred to occult static molecules, permeated by subtle fluids, the whole mechanism left without dynamic quality, since the mass of the molecule is to be non-essential, is markedly in contrast with the discredit into which such hypotheses have now fallen. It is true that an explanation of natural phenomena in terms "le feu ethere, le feu calorique, et le feu fixe" might ...
— Lamarck, the Founder of Evolution - His Life and Work • Alpheus Spring Packard



Words linked to "Molecule" :   grain, atom, coenzyme, ethylenediaminetetraacetic acid, molecular, physics, flyspeck, chain, material, chemical group, chemical science, chemical chain, identification particle, chemistry, building block, radical, chylomicron, particle, unit, group, stuff, EDTA, natural philosophy, grinding



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