Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun diaphragm

4 senses of diaphragm

Sense 1
diaphragm, stop -- (a mechanical device in a camera that controls size of aperture of the lens; "the new cameras adjust the diaphragm automatically")
       => mechanical device -- (mechanism consisting of a device that works on mechanical principles)

Sense 2
diaphragm, midriff -- ((anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration)
       => muscular structure, musculature, muscle system -- (the muscular system of an organism)
       => membrane, tissue layer -- (a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants)

Sense 3
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)
       => contraceptive, preventive, preventative, contraceptive device, prophylactic device, birth control device -- (an agent or device intended to prevent conception)

Sense 4
diaphragm -- (electro-acoustic transducer that vibrates to receive or produce sound waves)
       => disk, disc -- (a flat circular plate)