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diaphragm
has definitions from the fields of photography,sexuality,botany,anatomy,zoology
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[ noun ] (photography) a mechanical device in a camera that controls size of aperture of the lens
Synonyms Examples "the new cameras adjust the diaphragm automatically" Used in print (1961 Research Highlights of the National Bureau of...)The transducer is a null type instrument and employs a stretched diaphragm , 0.001 in. thick and 1 in. in diameter . A small pressure unbalance displaces the diaphragm and changes the capacitance between the diaphragm and an electrically insulated plate spaced 0.001 in. apart ( for * * f ) . A small pressure unbalance displaces the diaphragm and changes the capacitance between the diaphragm and an electrically insulated plate spaced 0.001 in. apart ( for * * f ) . Spherical concave backing surfaces support the diaphragm when excessive pressures are applied and prevent the stresses within the diaphragm from exceeding the elastic limit . Spherical concave backing surfaces support the diaphragm when excessive pressures are applied and prevent the stresses within the diaphragm from exceeding the elastic limit . Related terms |
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[ noun ] (anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration
Synonyms Used in print (J. W. C. Hagstrom et al., "Debilitating muscular...)Microscopic studies of the gastrocnemius , pectoralis_major , transversus_abdominis , biceps_brachii , and diaphragm showed atrophy as_well_as varying degrees of injury ranging from swelling and vacuolization to focal necrosis of the muscle_fibers . These changes were most marked in the gastrocnemius and biceps and less evident in the pectoralis , diaphragm , and transversus . Related terms |
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[ noun ] (sexuality) 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
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[ noun ] electro-acoustic transducer that vibrates to receive or produce sound waves
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