Synonyms for diaphragm

Noun

1. diaphragm, stop, mechanical device

usage: a mechanical device in a camera that controls size of aperture of the lens; "the new cameras adjust the diaphragm automatically"

2. diaphragm, midriff, muscular structure, musculature, muscle system, membrane, tissue layer

usage: (anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration

3. diaphragm, pessary, contraceptive diaphragm, contraceptive, preventive, preventative, contraceptive device, prophylactic device, birth control device

usage: 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

4. diaphragm, disk, disc

usage: electro-acoustic transducer that vibrates to receive or produce sound waves