Definition: a mechanical device in a camera that controls size of aperture of the lens
Usage: the new cameras adjust the diaphragm automatically
Similar words: mechanical device
Definition: mechanism consisting of a device that works on mechanical principles
Synonyms: diaphragm
Definition: electro-acoustic transducer that vibrates to receive or produce sound waves
Synonyms: diaphragm, contraceptive diaphragm, pessary
Definition: 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
Similar words: contraceptive, contraceptive device, birth control device, prophylactic device, preventative, preventive
Definition: an agent or device intended to prevent conception
Definition: (anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration
Similar words: membrane, tissue layer
Definition: a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants
Similar words: muscle system, muscular structure, musculature
Definition: the muscular system of an organism