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cavity 音标拼音: [k'ævəti] n. 洞,空穴,腔 洞,空穴,腔 cavity 空腔 cavity n 1: a sizeable hole (usually in the ground); "they dug a pit to bury the body" [synonym: {pit}, {cavity}] 2: space that is surrounded by something [synonym: {cavity}, {enclosed space}] 3: soft decayed area in a tooth; progressive decay can lead to the death of a tooth [synonym: {cavity}, {caries}, {dental caries}, {tooth decay}] 4: (anatomy) a natural hollow or sinus within the body [synonym: {cavity}, {bodily cavity}, {cavum}] Cavity \Cav"i*ty\, n.; pl. {Cavities}. [L. cavus hollow: cf. F. cavit['e].] 1. Hollowness. [Obs.] [1913 Webster] The cavity or hollowness of the place. --Goodwin. [1913 Webster] 2. A hollow place; a hollow; as, the abdominal cavity. [1913 Webster] An instrument with a small cavity, like a small spoon. --Arbuthnot. [1913 Webster] Abnormal spaces or excavations are frequently formed in the lungs, which are designated cavities or vomic[ae]. --Quain. [1913 Webster] {Body cavity}, the c[oe]lum. See under {Body}. [1913 Webster] 142 Moby Thesaurus words for "cavity": abysm, abyss, alveolation, alveolus, antrum, aperture, armpit, arroyo, basin, booth, bowl, box, box canyon, breach, break, broaching, canyon, cell, cellule, chamber, chap, chasm, check, chimney, chink, clearing, cleft, cleuch, clough, col, compartment, concave, concavity, coulee, couloir, crack, cranny, crater, crevasse, crevice, crib, crypt, cup, cut, cwm, deep, defile, dell, depression, depth, dike, dip, disclosure, ditch, donga, draw, enclosed space, excavation, fault, fenestra, fissure, fistula, flaw, flume, fold, follicle, fontanel, foramen, fracture, funnel chest, furrow, gap, gape, gash, gat, gorge, groove, gulch, gulf, gully, hiatus, hold, hole, hollow, hollow shell, incision, inlet, interval, joint, kloof, lacuna, laying open, leak, manger, moat, notch, nullah, opening, opening up, orifice, outlet, pass, passage, passageway, pew, pit, pocket, pore, punch bowl, ravine, rent, rift, rime, rupture, scissure, scoop, seam, shaft, shell, sink, sinus, slit, slot, socket, space, split, stall, stoma, throwing open, trench, trough, uncorking, unstopping, vacuity, valley, vault, void, vug, wadi, well, yawn, yawning abyss
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