Englishfor English speakers
diaphragm
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noun
a mechanical device in a camera that controls size of aperture of the lens
the new cameras adjust the diaphragm automatically
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noun
(anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration
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noun
electro-acoustic transducer that vibrates to receive or produce sound waves
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noun
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
cell
Noun
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A cell is a room in a jail where prisoners are kept.
He was arrested and kept in a small cell for one day.
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A cell is a unit of a living organism.
A plant cell has a cell wall.