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precipitate 音標拼音: [prɪs'ɪpɪt ,et] n. 沉淀物
vt. 猛拋,使陷入,促成,使沉淀
vi. 猛地落下
a. 猛地落下的,急躁的 沈澱物猛拋,使陷入,促成,使沈澱猛地落下猛地落下的,急躁的 precipitate adj 1: done with very great haste and without due deliberation; " hasty marriage seldom proveth well"- Shakespeare; " hasty makeshifts take the place of planning"- Arthur Geddes; " rejected what was regarded as an overhasty plan for reconversion"; " wondered whether they had been rather precipitate in deposing the king" [ synonym: { hasty}, { overhasty}, { precipitate}, { precipitant}, { precipitous}] n 1: a precipitated solid substance in suspension or after settling or filtering v 1: bring about abruptly; " The crisis precipitated by Russia' s revolution" 2: separate as a fine suspension of solid particles 3: fall from clouds; " rain, snow and sleet were falling"; " Vesuvius precipitated its fiery, destructive rage on Herculaneum" [ synonym: { precipitate}, { come down}, { fall}] 4: fall vertically, sharply, or headlong; " Our economy precipitated into complete ruin" 5: hurl or throw violently; " The bridge broke and precipitated the train into the river below" Precipitate \ Pre* cip" i* tate\, a. [ L. praecipitatus, p. p. of praecipitare to precipitate, fr. praeceps headlong. See { Precipice}.] 1. Overhasty; rash; as, the king was too precipitate in declaring war. -- Clarendon. [ 1913 Webster] 2. Lacking due deliberation or care; hurried; said or done before the time; as, a precipitate measure. " The rapidity of our too precipitate course." -- Landor. [ 1913 Webster] 3. Falling, flowing, or rushing, with steep descent; headlong. [ 1913 Webster] Precipitate the furious torrent flows. -- Prior. [ 1913 Webster] 4. Ending quickly in death; brief and fatal; as, a precipitate case of disease. [ Obs.] -- Arbuthnot. [ 1913 Webster]
Precipitate \ Pre* cip" i* tate\, n. [ NL. praecipitatum: cf. F. pr[' e] cipit[' e].] ( Chem.) An insoluble substance separated from a solution in a concrete state by the action of some reagent added to the solution, or of some force, such as heat or cold. The precipitate may fall to the bottom ( whence the name), may be diffused through the solution, or may float at or near the surface. [ 1913 Webster] 2. atmospheric moisture condensed as rain or snow, etc.; same as { precipitation[ 5]}. [ PJC] { Red precipitate} ( Old. Chem), mercuric oxide ({ HgO}) a heavy red crystalline powder obtained by heating mercuric nitrate, or by heating mercury in the air. Prepared in the latter manner, it was the { precipitate per se} of the alchemists. { White precipitate} ( Old Chem.) ( a) A heavy white amorphous powder ({ NH2. HgCl}) obtained by adding ammonia to a solution of mercuric chloride or corrosive sublimate; -- formerly called also { infusible white precipitate}, and now { amido- mercuric chloride}. ( b) A white crystalline substance obtained by adding a solution of corrosive sublimate to a solution of sal ammoniac ( ammonium chloride); -- formerly called also { fusible white precipitate}. [ 1913 Webster]
Precipitate \ Pre* cip" i* tate\, v. t. [ imp. & p. p. { Precipitated}; p. pr. & vb. n. { Precipitating}.] 1. To throw headlong; to cast down from a precipice or height. [ 1913 Webster] She and her horse had been precipitated to the pebbled region of the river. -- W. Irving. [ 1913 Webster] 2. To urge or press on with eager haste or violence; to cause to happen, or come to a crisis, suddenly or too soon; as, precipitate a journey, or a conflict. [ 1913 Webster] Back to his sight precipitates her steps. -- Glover. [ 1913 Webster] If they be daring, it may precipitate their designs, and prove dangerous. -- Bacon. [ 1913 Webster] 3. ( Chem.) To separate from a solution, or other medium, in the form of a precipitate; as, water precipitates camphor when in solution with alcohol. [ 1913 Webster] The light vapor of the preceding evening had been precipitated by the cold. -- W. Irving. [ 1913 Webster]
Precipitate \ Pre* cip" i* tate\, v. i. 1. To dash or fall headlong. [ R.] [ 1913 Webster] So many fathom down precipitating. -- Shak. [ 1913 Webster] 2. To hasten without preparation. [ R.] [ 1913 Webster] 3. ( Chem.) To separate from a solution as a precipitate. See { Precipitate}, n. [ 1913 Webster] 345 Moby Thesaurus words for " precipitate": a bit previous, abrupt, accelerate, accident- prone, ad- lib, advance, advanced, aftereffect, aftermath, agile, alluvion, alluvium, arduous, ash, blow down, blow over, bowl down, bowl over, breakneck, breathless, bring about, bring down, bring on, bulldog, bundle, bustle, by- product, careless, cascade, cast, cast down, cataract, caught napping, caught off balance, caught short, chop down, cinder, clinker, collapse, come down, consequence, consequent, corollary, crash, crowd, cut down, dash down, dashing, deck, deposit, deposition, deposits, derivation, derivative, descend, desperate, development, devil- may- care, diluvium, dip down, dispatch, distillate, double- quick, down, draff, dregs, drive on, drizzle, drop, drop down, drop off, dross, drum, eagle- winged, effect, electrifying, ember, event, eventuality, eventuation, expedite, expeditious, express, extemporaneous, extemporized, facilitate, fall, fall down, fall off, far ahead, fast, feces, fell, fetch down, fleet, fling, floor, flying, foolhardy, forward, froth, fruit, furious, further, galloping, go down, go downhill, gravitate, ground, grounds, hair- trigger, half- baked, half- cocked, haphazard, harum- scarum, harvest, haste, hasten, hasten on, hasty, head, headlong, headstrong, hew down, hie on, hotheaded, hurl, hurried, hurry, hurry along, hurry on, hurry up, hustle, hustle up, hustling, ill- considered, impatient, impetuous, impromptu, improvised, impulsive, incautious, incite, incline, injudicious, instigate, issue, knock down, launch, lay level, lay low, lay out, lead, lean, lees, legacy, level, light of heel, light- footed, lively, loess, logical outcome, lose altitude, mad, madcap, makeshift, mercurial, meteoric, mizzle, moraine, mow down, nerve- shattering, nimble, nimble- footed, not firm, offscum, offshoot, offspring, outcome, outgrowth, overeager, overenthusiastic, overhasty, oversoon, overzealous, panting, parachute, patter, pelt, pitch, pitter- patter, plummet, plunge, point, pounce, pour, pour down, pour with rain, precipitant, precipitation, precipitous, precocious, premature, press, previous, product, project, prompt, prostrate, provoke, pull down, push, push forward, push on, push through, quick, quick as lightning, quick as thought, quicken, railroad through, rain, rain tadpoles, rapid, rase, rash, raze, reckless, refractory, result, resultant, rough- and- ready, running, rush, rush along, rushed, rushing, scoria, scum, sediment, sedimentate, sedimentation, send headlong, sequel, sequela, sequence, sequent, settle, settlings, sheer, shocking, shower, shower down, sideling, silt, sink, sinter, slag, slap- bang, slapdash, smut, snap, snappy, soot, spanking, spatter, speed, speed along, speed up, speedy, spit, spread- eagle, sprinkle, spur, stampede, startling, stickle, stoop, stream, sublimate, subside, sudden, supinate, surprised, surprising, swift, swoop, take down, taken aback, taken by surprise, taken unawares, tattoo, tend, tend to go, throw, throw down, too early, too soon, topple, trend downward, trigger, trip, tripped up, tumble, unannounced, unanticipated, unarranged, unbegun, unconcocted, uncontrived, uncontrolled, uncrystallized, undeliberated, undevised, unexpected, unforeseen, unhatched, unjelled, unlooked- for, unmade, unmanufactured, unmatured, unmeditated, unorganized, unplanned, unpredicted, unpremeditated, unprepared, unprimed, unready, unrestrained, unripe, unstudied, untimely, upshot, urge, violent, volatile, wanton, weep, whack down, whip, whip along, wild, willful, winged
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