Definitions for diaphragm

Definitions for (noun) diaphragm

Main entry: diaphragm, stop

Definition: a mechanical device in a camera that controls size of aperture of the lens

Usage: the new cameras adjust the diaphragm automatically

Main entry: diaphragm

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

Main entry: diaphragm, contraceptive diaphragm, pessary

Definition: 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

Main entry: midriff, diaphragm

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

Visual thesaurus for diaphragm