'Diaphragm' definitions:
Definition of 'diaphragm'
(from WordNet)
noun
A mechanical device in a camera that controls size of aperture of the lens; "the new cameras adjust the diaphragm automatically" [syn: diaphragm, stop]
noun
(anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration [syn: diaphragm, midriff]
noun
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: diaphragm, pessary, contraceptive diaphragm]
noun
Electro-acoustic transducer that vibrates to receive or produce sound waves
Definition of 'Diaphragm'
From: GCIDE
- Diaphragm \Di"a*phragm\, n. [L. diaphragma, Gr. ?, fr. ? to fence by a partition wall; dia` through + ?, ?, to fence, inclose; prob. akin to L. fareire to stuff: cf. F. diaphragme. See Farce.]
- 1. A dividing membrane or thin partition, commonly with an opening through it. [1913 Webster]
- 2. (Anat.) The muscular and tendinous partition separating the cavity of the chest from that of the abdomen; the midriff. [1913 Webster]
- 3. (Zool.) A calcareous plate which divides the cavity of certain shells into two parts. [1913 Webster]
- 4. (Opt.) A plate with an opening, which is generally circular, used in instruments to cut off marginal portions of a beam of light, as at the focus of a telescope. [1913 Webster]
- 5. (Mach.) A partition in any compartment, for various purposes. [1913 Webster]
- Diaphragm pump, one in which a flexible diaphragm takes the place of a piston. [1913 Webster]
Synonyms of 'diaphragm'
From: Moby Thesaurus
- abdomen,
- abomasum,
- acoustical network,
- bag,
- barrier,
- bay window,
- beerbelly,
- belly,
- birth control device,
- brattice,
- breadbasket,
- buffer,
- buffer state,
- bulkhead,
- bumper,
- capacitor speaker,
- center,
- cloison,
- coaxial speaker,
- collision mat,
- condom,
- cone,
- contraceptive,
- contraceptive foam,
- core,
- craw,
- crop,
- crossover network,
- cushion,
- diameter,
- dissepiment,
- dividing line,
- dividing wall,
- division,
- dynamic speaker,
- earphone,
- electrodynamic speaker,
- electromagnetic speaker,
- electrostatic speaker,
- embonpoint,
- equator,
- excited-field speaker,
- fender,
- first stomach,
- full-fidelity speaker,
- gizzard,
- gullet,
- gut,
- headphone,
- headset,
- heart,
- high-fidelity speaker,
- high-frequency speaker,
- honeycomb stomach,
- horn,
- interior,
- interseptum,
- intrauterine device,
- IUD,
- kernel,
- kishkes,
- loudspeaker,
- low-frequency speaker,
- manyplies,
- mat,
- maw,
- mean,
- median,
- middle,
- midmost,
- midrange speaker,
- midriff,
- midsection,
- midst,
- monorange speaker,
- moving-coil speaker,
- nucleus,
- omasum,
- oral contraceptive,
- pad,
- panel,
- paries,
- partition,
- party wall,
- paunch,
- permanent magnet speaker,
- pessary,
- pot,
- potbelly,
- potgut,
- property line,
- prophylactic,
- psalterium,
- pusgut,
- rennet bag,
- reticulum,
- rubber,
- rumen,
- second stomach,
- separation,
- septulum,
- septum,
- shock pad,
- skin,
- spare tire,
- speaker,
- speaker system,
- speaker unit,
- spermicidal jelly,
- spermicide,
- stomach,
- swagbelly,
- the pill,
- thick,
- thick of things,
- third stomach,
- triaxial speaker,
- tum-tum,
- tummy,
- tweeter,
- underbelly,
- ventripotence,
- voice coil,
- waist,
- waistline,
- wall,
- woofer,
- zone