diaphragm
definition: a mechanical device in a camera that controls size of aperture of the lens
example: the new cameras adjust the diaphragm automatically
speech part: noun
synonyms:
stop
definition: electro-acoustic transducer that vibrates to receive or produce sound waves
example:
speech part: noun
synonyms:
definition: a contraceptive device consisting of a flexible dome-shaped cup made of rubber or plastic
example:
speech part: noun
synonyms:
pessary
definition: (anatomy) a muscular partition separating the abdominal and thoracic cavities
example:
speech part: noun
synonyms:
midriff