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precipitate是什么意思？

precipitate

英[pr??s?p?te?t] 美[pr??s?p??tet]

第三人稱單數：precipitates;

過去式：precipitated;

過去分詞：precipitated;

現在分詞：precipitating;

例句

柯林斯高階英漢雙解學習詞典釋義

英漢詞典釋義

vt.
(突如其來地)使發生; 促成;使…突然降臨;加速（壞事的發生）
Falling sales precipitated the failure of the company. 銷售額下降促使該公司倒閉。
猛然摔下
He lost his footing and was precipitated to the ground. 他失足摔倒在地上。
使沉淀, 使淀析
Water precipitates camphor from its alcoholic solution. 水能把樟腦從其酒精溶液中淀析出來。
vi.
沉淀, 淀析; 凝結
Clouds usually precipitate as rain or snow. 云常會凝結成雨或雪。
adj.
(指行動)急促的, 迅猛的
A cool breeze caused a precipitate drop in the temperature. 冷風使溫度急降。
(指行動)未經考慮的, 倉促的
The king was too precipitate in declaring war. 國王在宣戰一事上過于輕率。

英英詞典釋義

Noun
1. a precipitated solid substance in suspension or after settling or filtering
Verb
1. separate as a fine suspension of solid particles
2. bring about abruptly;
"The crisis precipitated by Russia's revolution"
3. fall from clouds;
"rain, snow and sleet were falling""Vesuvius precipitated its fiery, destructive rage on Herculaneum"
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"
Adjective
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"

行業詞典

冶金學：沉淀物；
醫學：使沉淀：使溶液中的物質以固體顆粒形式沉下來；沉淀物：由沉淀作用沉下來的物質或沉積物；在免疫學中指可溶性大分子抗原與同源抗體之間相互作用的產物(例如肺炎球菌莢膜多糖在溶液中與特異性抗血清反應所形成的抗原-抗體復合物)；急速的：急速發生的，如precipitate labor；
機械：脫溶物；又稱“析出物”。過飽和固溶體中形成的溶質原子偏聚區(如：鋁銅合金中的GP區)或化學成分及晶體結構與之不同的析出的相(如：鋁銅合金人工時效時形成的CuAl2)。；