diaphragm
noun
/ˈdaɪəˌfɹæm/
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- (anatomy) In mammals, a sheet of muscle separating the thorax from the abdomen, contracted and relaxed in respiration to draw air into and expel air from the lungs; also called thoracic diaphragm.
- A contraceptive device consisting of a flexible cup, used to cover the cervix during intercourse.
- (mechanics) A flexible membrane separating two chambers and fixed around its periphery that distends into one or other chamber as the difference in the pressure in the chambers varies.
- (acoustics) In a speaker, the thin, semi-rigid membrane which vibrates to produce sound.
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diaframma
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- (optics, photography) A thin opaque structure with a central aperture, used to limit the passage of light into a camera or similar device.
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diaframma lamellare,
diaframma
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