diaphragm vs mechanical device

mechanical device vs diaphragm

diaphragm and mechanical device both are nouns.

Word	Noun	Adjective	Verb	Adverb
diaphragm	Yes	No	No	No
mechanical device	Yes	No	No	No

As nouns, mechanical device is a hypernym of diaphragm; that is, mechanical device is a word with a broader meaning than diaphragm:

diaphragm: a mechanical device in a camera that controls size of aperture of the lens
mechanical device: mechanism consisting of a device that works on mechanical principles

diaphragm (noun)	mechanical device (noun)
a mechanical device in a camera that controls size of aperture of the lens	mechanism consisting of a device that works on mechanical principles
electro-acoustic transducer that vibrates to receive or produce sound waves
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
(anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration

Difference between diaphragm and mechanical device

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