diaphragm

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a mechanical device in a camera that controls size of aperture of the lens (Freq. 5)
- the new cameras adjust the diaphragm automatically
• Syn:
stop
• Hypernyms:
mechanical device
• Hyponyms:
iris, iris diaphragm
• Part Holonyms:
camera, photographic camera
2. (anatomy) a muscular partition separating the abdominal and thoracic cavities;
functions in respiration (Freq. 2)
• Syn:
midriff
• Topics:
anatomy, general anatomy
• Hypernyms:
muscular structure, musculature, muscle system, membrane, tissue layer
• Part Holonyms:
torso, trunk, body
3. 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
• Syn:
pessary, contraceptive diaphragm
• Hypernyms:
contraceptive, preventive, preventative, contraceptive device, prophylactic device, birth control device
4. electro-acoustic transducer that vibrates to receive or produce sound waves
• Hypernyms:
disk, disc
• Part Holonyms:
electro-acoustic transducer

• Từ đồng nghĩa / Synonyms:
  pessary, contraceptive diaphragm, midriff, stop