diaphragm wall
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diaphragm wall — noun A structure inserted in the ground and used to maintain an excavation open or to isolate portions of contaminated ground. It can be built of any material from steel to reinforced concrete … Wiktionary
Diaphragm — Contents 1 Optics and photography 2 Acoustics 3 Other 4 … Wikipedia
Diaphragm (contraceptive) — Diaphragm 1: bladder, 2: pubic bone, 3: urethra, 4: vagina, 5: uterus, 6: fornix, 7: cervix, 8: diaphragm, 9: rectum Background … Wikipedia
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… … The Collaborative International Dictionary of English
Diaphragm pump — 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… … The Collaborative International Dictionary of English
diaphragm — [dī′ə fram΄] n. [ME diafragma < LL diaphragma < Gr < dia , through + phragma, a fence < phrassein, to enclose] 1. the partition of muscles and tendons between the chest cavity and the abdominal cavity; midriff: see LUNG 2. a) any… … English World dictionary
Diaphragm (optics) — A 35 mm lens set to f/8; the diameter of the seven sided entrance pupil, the virtual image of the opening in the iris diaphragm, is 4.375 mm In optics, a diaphragm is a thin opaque structure with an opening (aperture) at its center. The role of… … Wikipedia
diaphragm — /duy euh fram /, n. 1. Anat. a. a muscular, membranous or ligamentous wall separating two cavities or limiting a cavity. b. the partition separating the thoracic cavity from the abdominal cavity in mammals. 2. Physical Chem. a. a porous plate… … Universalium
Diaphragm arch — A diaphragm arch is a transverse wall bearing arch forming a partial wall dividing a vault or a ceiling into compartments.[1] When used under a wooden roof, it has the advantage of providing a partial firebreak.[2] It was first used in Roman… … Wikipedia
wall — Synonyms and related words: arch dam, arm, armor, armor plate, backstop, balustrade, bamboo curtain, bank, bar, barbed wire, barrage, barricade, barrier, battle, bear trap dam, beaver dam, block, blockade, bluff, boom, boundary, brattice,… … Moby Thesaurus
diaphragm — di•a•phragm [[t]ˈdaɪ əˌfræm[/t]] n. 1) anat. a wall of muscle and connective tissue separating two cavities, esp. the partition separating the thoracic cavity from the abdominal cavity in mammals 2) chem. a) a porous plate separating two liquids… … From formal English to slang
