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cataract 音标拼音: [k'ætɚækts] n. 大瀑布,奔流,洪水,白内障 大瀑布,奔流,洪水,白内障 cataract n 1: an eye disease that involves the clouding or opacification of the natural lens of the eye 2: a large waterfall; violent rush of water over a precipiceCataract \ Cat" a* ract\, n. [ L. cataracta, catarracles, a waterfall, Gr. ?, ?, fr. ? to break down; in the passive, to fall or rush down ( of tumors) to burst; kata` down ? to break.] 1. A great fall of water over a precipice; a large waterfall. [ 1913 Webster] 2. ( Surg.) An opacity of the crystalline lens, or of its capsule, which prevents the passage of the rays of light and impairs or destroys the sight. [ 1913 Webster] 3. ( Mach.) A kind of hydraulic brake for regulating the action of pumping engines and other machines; -- sometimes called { dashpot}. [ 1913 Webster] 146 Moby Thesaurus words for " cataract": Niagara, ablepsia, amaurosis, benightedness, blepharitis, blind side, blind spot, blindfolding, blinding, blindness, blurring the eyes, cascade, cataclysm, cecity, choroiditis, chute, collapse, come down, comedown, conjunctivitis, crash, cross- eye, darkness, debacle, declension, declination, defective vision, defluxion, deluge, depriving of sight, descend, descending, descension, descent, detached retina, dim- sightedness, dip down, down, downbend, downcome, downcurve, downfall, downflow, downgrade, downpour, downrush, downtrend, downturn, downward trend, drop, drop down, drop off, drop serene, dropping, economic blindness, engulf, esotropia, ever- during dark, excecation, eye defect, eyelessness, fall, fall down, fall off, falling, falls, flood, flooding, force, fresh, freshet, glaucoma, go down, go downhill, gravitate, gravitation, gutta serena, hoodwinking, inclination, inundate, inundation, iritis, keratitis, lack of vision, linn, lose altitude, making blind, nappe, niphablepsia, optic neuritis, overbrim, overflow, overrun, overwhelm, parachute, partial blindness, pink eye, pitch, plummet, plummeting, plunge, pounce, pour, pour down, pour out, pour over, precipitate, psychic blindness, rain, rapids, reduced sight, retinoblastoma, river, run over, sault, sightless eyes, sightlessness, slop, slosh, snow blindness, soul- blindness, spate, spill, spill out, spill over, spiritual blindness, spout, stone- blindness, stoop, sty, submerge, swamp, sweep, swoop, torrent, total blindness, trachoma, trend downward, unenlightenment, unseeingness, uveitis, walleye, waterfall, waterflood, watershoot, whelm
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