English noun: diaphragm |
1. | diaphragm (artifact) a mechanical device in a camera that controls size of aperture of the lens |
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| Samples | The new cameras adjust the diaphragm automatically.
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| Synonyms | stop |
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| Broader (hypernym) | mechanical device |
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| Narrower (hyponym) | iris, iris diaphragm |
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| Part meronym | camera, photographic camera |
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2. | diaphragm (body) (anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration |
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| Synonyms | midriff |
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| Broader (hypernym) | membrane, muscle system, muscular structure, musculature, tissue layer |
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| Part meronym | body, torso, trunk |
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| Domain category | anatomy, general anatomy |
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3. | diaphragm (artifact) 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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| Synonyms | contraceptive diaphragm, pessary |
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| Broader (hypernym) | birth control device, contraceptive, contraceptive device, preventative, preventive, prophylactic device |
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4. | diaphragm (artifact) electro-acoustic transducer that vibrates to receive or produce sound waves |
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| Broader (hypernym) | disc, disk |
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| Part meronym | electro-acoustic transducer |
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