| Definitions | | diaphragm |
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noun
- (anatomy) In mammals, a sheet of muscle separating the thorax from the abdomen, contracted and relaxed in respiration to draw air into and expel air from the lungs.
- (mechanics) A flexible membrane separating two chambers and fixed around its periphery that distends into one or other chamber depending on the as the difference in the pressure in the chambers varies.
- A contraceptive device consisting of a flexible cup, used to cover the cervix during intercourse.
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Full Definition of diaphragm
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