What is the meaning of diaphragm?

A mechanical device in a camera that controls size of aperture of the lens.
- usage: "the new cameras adjust the diaphragm automatically"
- synonyms: stop
Anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration.
- synonyms: midriff
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.
- synonyms: pessary, contraceptive diaphragm
Electro-acoustic transducer that vibrates to receive or produce sound waves. .

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APA	WordNet. (2010). diaphragm. Retrieved September 20, 2026, from http://smartdefine.org/diaphragm/definitions/1203316
Chicago	WordNet. 2010. "diaphragm" http://smartdefine.org/diaphragm/definitions/1203316 (accessed September 20, 2026).
Harvard	WordNet 2010, diaphragm, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/diaphragm/definitions/1203316>.
MLA	WordNet. "diaphragm" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/diaphragm/definitions/1203316>

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