diaphragm

English Dictionary -> Letter D -> diaphragm

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diaphragm Definition

• (n) a mechanical device in a camera that controls size of aperture of the lens; "the new cameras adjust the diaphragm automatically"
• (n) (anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration
• (n) 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
• (n) electro-acoustic transducer that vibrates to receive or produce sound waves

diaphragm Synonyms

• contraceptive diaphragm
• diaphragm
• midriff
• pessary
• stop