Толковый словарь английского языка Oxford English Reference - diaphragm
Diaphragm
diaphragm
n. 1 a muscular partition separating the thorax from the abdomen in mammals. 2 a partition in animal and plant tissues. 3 a disc pierced by one or more holes in optical and acoustic systems etc. 4 a device for varying the effective aperture of the lens in a camera etc. 5 a thin contraceptive cap fitting over the cervix. 6 a thin sheet of material used as a partition etc. Phrases and idioms diaphragm pump a pump using a flexible diaphragm in place of a piston. Derivatives diaphragmatic adj. Etymology: ME f. LL diaphragma f. Gk (as DIA-, phragma -atos f. phrasso fence in)
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1.
noun Etymology: Middle English diafragma, from Late Latin ~a, from Greek, from diaphrassein to barricade, from dia+ phrassein to enclose Date: 14th century a body partition of muscle and connective tissue, a dividing membrane or thin partition especially in a tube, 3. a more or less rigid partition in the body or shell of an invertebrate, a transverse septum in a plant stem, a device that limits the aperture of a lens or optical system, a thin flexible disk (as in a microphone or loudspeaker) that vibrates when struck by sound waves or that vibrates to generate sound waves, a molded cap usually of thin rubber fitted over the uterine cervix to act as a mechanical contraceptive barrier, ~atic adjective ~atically adverb ...Толковый словарь английского языка
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