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Diaphragm   Listen
noun
Diaphragm  n.  
1.
A dividing membrane or thin partition, commonly with an opening through it.
2.
(Anat.) The muscular and tendinous partition separating the cavity of the chest from that of the abdomen; the midriff.
3.
(Zool.) A calcareous plate which divides the cavity of certain shells into two parts.
4.
(Opt.) A plate with an opening, which is generally circular, used in instruments to cut off marginal portions of a beam of light, as at the focus of a telescope.
5.
(Mach.) A partition in any compartment, for various purposes.
Diaphragm pump, one in which a flexible diaphragm takes the place of a piston.






Collaborative International Dictionary of English 0.48








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"Diaphragm" Quotes from Famous Books



... feature of this battery is that the electrolyte is not employed as a mobile liquid, but in a quasi-solid form, and it is, therefore, named dry gas battery. It consists of a number of elements, which are formed of a porous diaphragm of a non-conducting material (in this instance plaster of Paris), which is impregnated with dilute sulphuric acid. Both sides of this diaphragm are covered with very fine platinum leaf perforated with very numerous small holes, ...
— Scientific American Supplement, No. 717, September 28, 1889 • Various

... offices and buildings used by the enemy, unscrew the earphone of telephone receivers and remove the diaphragm. Electricians and telephone repair men can make poor connections and damage insulation so that cross talk and other kinds of electrical interference will make conversations hard or impossible ...
— Simple Sabotage Field Manual • Strategic Services

... which is pierced by a circular aperture, is a diaphragm. This regulates the quantity of light which is to be transmitted by means of the silvered ...
— The Story of the Cotton Plant • Frederick Wilkinson

... to a portion of the camera apparatus, and also applied to the process of causing one scene to disappear, or another to appear. Like the "fade out" and "fade in," the "diaphragm out" and "diaphragm in" are descriptive terms, but having a different purpose. While the "fade out" or the "fade in" separate two parts of a scene, and bring in between them the thing thought of or spoken of, the "diaphragm out" and the "diaphragm ...
— Writing the Photoplay • J. Berg Esenwein and Arthur Leeds

... "right" or "left" to the point of the jaw or the pit of the stomach. His proficiency in the manly art was polished and thorough and bespoke earnest application. The last doubting Thomas to be convinced came to five minutes after his diaphragm had been rudely and suddenly raised several inches by a low right hook, and as he groped for his bearings and got his wind back again he asked, very feebly, where "Kansas" was; ...
— Bar-20 Days • Clarence E. Mulford

... be first excavated and then the roof would be supported by temporary timbers, after which the rock portion would be attacked. When the workmen had excavated the material in front of the shield it was passed through the heavy steel plate diaphragm in center of the shell out to the rear and the shield was then moved forward so as to bring its front again up to the face of the excavation. As the shell was very unwieldy, weighing about eighty tons, and, moreover, as the friction ...
— Marvels of Modern Science • Paul Severing

... Dutchman, what welcome should be yours For all the wise prescriptions that work your laughter-cures? "Shake before taking"?—not a bit,—the bottle-cure's a sham; Take before shaking, and you 'll find it shakes your diaphragm. ...
— The Poetical Works of Oliver Wendell Holmes, Complete • Oliver Wendell Holmes, Sr.

... the workman.[5] In spite of their boring-implements, the hermits die in my cases for lack of skill. I subject others to less arduous tests. I enclose them in spacious reed-stumps, equal in diameter to the natal cell. The obstacle to be pierced is the natural diaphragm, a yielding partition two or three millimetres[6] thick. Some free themselves; others cannot. The less valiant ones succumb, stopped by the frail barrier. What would it be if they had to pass ...
— The Glow-Worm and Other Beetles • Jean Henri Fabre

... quadrupeds the anterior, cavity of the trunk of the body: it is divided into two cavities by a membranous partition, termed 'mediastinum;' and separated from the abdomen, or cavity which contains the liver, spleen, pancreas, and other abdominal viscera, by the 'diaphragm,' which is of a musculo-membranous nature. This membrane may be described, as it is divided, into the main circular muscle, with its central tendinous expansion forming the lower part, and two appendices, or 'crura,' as they are termed from their peculiar shape, constituting its superior ...
— The Dog - A nineteenth-century dog-lovers' manual, - a combination of the essential and the esoteric. • William Youatt

... I see on a poster A programme which "features" CHARLIE CHAPLIN and other Delectable creatures, I feel just as if Someone hit me a slam Or a strenuous biff On the mid diaphragm. ...
— Punch, Or The London Charivari, Volume 152, Feb. 7, 1917 • Various

... the apparatus. It consisted of a miniature head- telephone, connected to a small, metallic case the size of a cigar-box, the cover of which was a transparent diaphragm. Estra did not open the case, but showed the ...
— The Lord of Death and the Queen of Life • Homer Eon Flint

... she hit him lightly in the diaphragm. Then she made his hands jump, first one and then the other. None of it felt real good, I could see, from the flinching and lip biting that was going ...
— The Right Time • Walter Bupp

... of the heart, which is also full of vital spirit. Empedocles, in the mass of the blood. There are that say it is in the neck of the heart, others in the pericardium, others in the midriff. Certain of the Neoterics, that the seat of the soul is extended from the head to the diaphragm. Pythagoras, that the animal part of the soul resides in the heart, the intellectual in ...
— Essays and Miscellanies - The Complete Works Volume 3 • Plutarch

... who are always excitable and emotional. In these children every burst of crying, however produced, whether by a fall, by a fright, by the entrance of a stranger, or by a visit to a doctor, is apt to be ushered in by a long period of apnoea, due to spasm of the glottis and of the diaphragm. The first few expirations are not followed by any inspiration. For several seconds the silence may be complete, while the child steadily becomes more and more cyanosed, or the body may be shaken by incomplete expiratory movements and strangled ...
— The Nervous Child • Hector Charles Cameron

... a deep mellow laugh, starting from the bottom of his diaphragm, swelling as it passed through his chest, swelling again as it passed through throat and mouth, and bursting upon the open air in a mighty diapason that rose cheerfully above the shrieking and ...
— The Guns of Shiloh • Joseph A. Altsheler

... diaphragmatic breathing in accordance with his anatomical knowledge. It consists in restoring the breath, without effort, from the commencing lift of the diaphragm to the production of the tone. He opposed it to the costal breathing, which brings the lungs suddenly into action by movements of the chest and shoulders, and causes extreme fatigue. "The chest," he says, "should be a passive ...
— Delsarte System of Oratory • Various

... of a cylinder or disk of wax upon which the vibrations of a sensitive diaphragm are recorded by means of a fine metal point. The action of the pointer in reporting the vibrations of a diaphragm is easily understood by reference to a tuning fork. Fasten a stiff bristle to a tuning fork by means of wax, allowing the end of the point to rest lightly upon a piece of smoked glass. ...
— General Science • Bertha M. Clark

... colic, but such was the pain of the real disorder, that it outdevilled the Doctor hollow. Even heated salt, which was applied in such a state that it burned my shirt to rags, I hardly felt when clapped to my stomach. At length the symptoms became inflammatory, and dangerously so, the seat being the diaphragm. They only gave way to very profuse bleeding and blistering, which under higher assistance saved my life. My recovery was slow and tedious from the state of exhaustion. I could neither stir for weakness and giddiness, nor read for dazzling in my eyes, nor listen for a whizzing sound in my ears, ...
— Memoirs of the Life of Sir Walter Scott, Volume V (of 10) • John Gibson Lockhart

... 50-52, a sort of dilapidated penthouse, served as a wagon-house for market-gardeners, and no communication existed between it and the first story. It was separated by the flooring, which had neither traps nor stairs, and which formed the diaphragm of the building, as it were. The first story contained, as we have said, numerous chambers and several attics, only one of which was occupied by the old woman who took charge of Jean Valjean's housekeeping; all the ...
— Les Miserables - Complete in Five Volumes • Victor Hugo

... condition caused by a spasm of the diaphragm. All methods for the relief of this somewhat annoying condition are based upon the idea of having the patient hold his breath as long as is possible. The remedy is best applied by the sufferer holding his breath and leaning ...
— Health on the Farm - A Manual of Rural Sanitation and Hygiene • H. F. Harris

... awareness under the luminescence of the infirmary's overhead. I was naked on the padding of the table. I could see a respirator off to my right, and a suction octopus near it. The medic was just stowing an auto-heart. But for a different tingling in my leg and an all-is-lost sensation south of my diaphragm, I ...
— Attrition • Jim Wannamaker

... whereon he wrote the tittle-tattle of two young mangy whores. By this inconvenient the cotyledons of her matrix were presently loosed, through which the child sprang up and leaped, and so, entering into the hollow vein, did climb by the diaphragm even above her shoulders, where the vein divides itself into two, and from thence taking his way towards the left side, issued forth at her left ear. As soon as he was born, he cried not as other babes use to do, Miez, ...
— Gargantua and Pantagruel, Complete. • Francois Rabelais

... corset is the chief source of constraint to the kidneys, liver, stomach, pancreas, and spleen, forcing them upward to encroach upon the diaphragm and compressing the lungs and heart, its evils are rivalled by those resulting from suspending the skirts from the waist and hips, by which means the pelvic organs are forced downward and often permanently displaced. Now, add to these errors ...
— The Arena - Volume 4, No. 22, September, 1891 • Various

... flexible material, silvered mica or microscope glass. Against the back of this mirror my voice is directed. In the carbon transmitter of the telephone a variable electrical resistance is produced by the pressure on the diaphragm, based on the fact that carbon is not as good a conductor of electricity under pressure as when not. Here, the mouthpiece is just a shell supporting a thin metal diaphragm to which the mirror on the back is attached, an apparatus for transforming ...
— Guy Garrick • Arthur B. Reeve

... view and section of the Bell telephone as it is now made, where M is a bar magnet having a small bobbin or coil of fine insulated wire C girdling one pole. In front of this coil there is a circular plate of soft iron capable of vibrating like a diaphragm or the drum of the ear. A cover shaped like a mouthpiece O fixes the diaphragm all round, and the wires W W serve to connect the coil ...
— The Story Of Electricity • John Munro

... insulated copper wire, and (3) a soft iron disk, or diaphragm, all of which are shown in the cross-section in Fig. 62. The bar magnet is securely fixed inside of the handle so that the outside end comes to within about 1/32 of an inch of the diaphragm when this is laid on top of the shell and the ...
— The Radio Amateur's Hand Book • A. Frederick Collins

... a Beethoven symphony, the voluminousness of the orchestra is reduced to a thin feeble surface sound, and no one would accept this product of the disk and the diaphragm as a full substitute for the performance of the real orchestra. But, after all, every instrument is actually represented, and we can still discriminate the violins and the celli and the flutes in exactly the same order and tonal and rhythmic relation ...
— The Photoplay - A Psychological Study • Hugo Muensterberg

... for instance, as is formed by a common looking-glass) no such process can be applied. In simple observation the only noticeable effect of this difference is that, whereas in the astronomical Telescope a stop or diaphragm can be inserted in the tube so as to cut off what is called the ragged edge of the field of view (which includes all the part not reached by full pencils of light from the object-glass), there is no means of remedying the corresponding defect in the Galilean ...
— Half-hours with the Telescope - Being a Popular Guide to the Use of the Telescope as a - Means of Amusement and Instruction. • Richard A. Proctor

... had had too much Thronerhofberger the night before; and possibly, as Burschen will in their vacations, the night before that also; whereby his diaphragm surrendered at discretion, while his heels were yet unconquered; and he suddenly felt a strong gripe, and a stronger kick, which rolled him over ...
— Two Years Ago, Volume II. • Charles Kingsley

... off the old diaphragm, Jeeves was silent. Rocky looked at me in a helpless sort of way. He hasn't been brought up on Jeeves as I have, and he isn't on ...
— My Man Jeeves • P. G. Wodehouse

... nerve passes out of the cerebral region as a portion of the voluntary system, and through it we control the vocal organs; then it passes onwards to the thorax sending out branches to the heart and lungs; and finally, passing through the diaphragm, it loses the outer coating which distinguishes the nerves of the voluntary system and becomes identified with those of the sympathetic system, so forming a connecting link between the two and making the man ...
— The Edinburgh Lectures on Mental Science • Thomas Troward



Words linked to "Diaphragm" :   muscular structure, preventative, contraceptive device, birth control device, electro-acoustic transducer, body, camera, general anatomy, mechanical device, contraceptive, muscle system, preventive, disc, pessary, membrane, contraceptive diaphragm, photographic camera, iris diaphragm, tissue layer, anatomy, torso, prophylactic device, disk, midriff



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