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diaphragm, pessary, contraceptive diaphragm | a contraceptive device consisting of a flexible dome-shaped cup made of rubber or plastic; it is filled with spermicide and fitted over the uterine cervix | |
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diaphragm, midriff | [in anatomy] a muscular partition separating the abdominal and thoracic cavities; functions in respiration | |
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diaphragm, stop | a mechanical device in a camera that controls size of aperture of the lens | |
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diaphragm | electro-acoustic transducer that vibrates to receive or produce sound waves |