Diaphragm
[n] a mechanical device in a camera that controls size of aperture of the lens; "the new cameras adjust the diaphragm automatically"
[n] electro-acoustic transducer that vibrates to receive or produce sound waves
[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] (anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration
Related Information
Related Terms
abdomen, abomasum, acoustical network, bag, barrier, bay window, beerbelly, belly, birth control device, brattice, breadbasket, buffer, buffer state, bulkhead, bumper, capacitor speaker, center, cloison, coaxial speaker, collision mat, condom, cone, contr