vt. 下擲，由高處拋下;使提前或突然發(fā)生;[氣象] 使凝結(jié)而下降;[化]使沉淀;
vi. [氣象]凝結(jié);[化]沉淀;倒落，一頭栽下;
adj. 倉促行進(jìn)的，匆促的;輕率的，沖動(dòng)行事的水蒸氣，降水;突然發(fā)生的;
n. [化]沉淀物;結(jié)果，產(chǎn)物;
precipitate
v
1 [Tn] (fml 文) cause (sth) to happen suddenly or soon(er); hasten 使（某事物）突然或迅速地發(fā)生; 加速
events that precipitated his ruin 突然毀了他的事件
One small error precipitated the disaster. 一個(gè)小小的錯(cuò)誤釀成這一災(zāi)難.
2 [Tn, Tn.pr]
(fml 文)
(a) throw (sb/sth) with force (as if) from a great height （似）自極高處將（某人[某物]）猛然扔下; 猛摔（某人[某物]）.
(b) ~ sb/sth into sth (fig 比喻) throw sb/sth suddenly (into a state or condition) 使某人[某事物]突然陷入（某種狀況）
The assassination of the ambassador precipitated the country into war. 由於大使遇刺, 該國(guó)頓時(shí)進(jìn)入了戰(zhàn)爭(zhēng)狀態(tài).
3 (chemistry 化)
(a) [I] (of a substance) separate into solid form from the liquid in which it is held （指物質(zhì)）沉淀, 淀析.
(b) [Tn] cause (a substance) to do this 使（物質(zhì)）沉淀; 析出（某種物質(zhì)）.
4 [I, Ipr, Tn, Tn.pr esp passive 尤用於被動(dòng)語態(tài)]
~ (sth) (as sth) (cause vapour to) condense and form rain, snow etc （使水氣）冷凝成為雨、 雪等
The clouds precipitate/are precipitatedas snow in winter. 在冬天云冷凝成為雪. precipitate, n [C, U]
(a) solid matter that has been precipitated (precipitate 3b) from a solution 沉淀物; （液體的）析出物; 冷凝物.
(b) moisture condensed from vapour and deposited (as rain, dew, etc) （水氣的）凝結(jié)物（如雨、 露等）.
precipitate adj
(a) violently hurried 急促的; 迅猛的
a precipitate dash 猛沖.
(b) (of an action) done without care or thought; rash2 （指行動(dòng)）魯莽的, 未經(jīng)考慮的, 倉促的
his precipitate action in selling the property 他變賣財(cái)產(chǎn)的草率行為.
(c) (of a person) acting without care or thought; impulsive （指人）魯莽的, 倉促行事的, 感情用事的.