precipitate

verb

/prɪˈsɪpɪteɪt/

(formal)

动词形式

present simple I / you / we / they precipitate	/prɪˈsɪpɪteɪt/ /prɪˈsɪpɪteɪt/
he / she / it precipitates	/prɪˈsɪpɪteɪts/ /prɪˈsɪpɪteɪts/
past simple precipitated	/prɪˈsɪpɪteɪtɪd/ /prɪˈsɪpɪteɪtɪd/
past participle precipitated	/prɪˈsɪpɪteɪtɪd/ /prɪˈsɪpɪteɪtɪd/
-ing form precipitating	/prɪˈsɪpɪteɪtɪŋ/ /prɪˈsɪpɪteɪtɪŋ/

precipitate something to make something, especially something bad, happen suddenly or sooner than it should使…突然降临；加速（坏事的发生） synonym bring on, spark (1)
- His resignation precipitated a leadership crisis.他的辞职立即引发了领导层的危机。
precipitate somebody/something into something to suddenly force somebody/something into a particular state or condition使突然陷入（某种状态）
- The assassination of the president precipitated the country into war.总统被暗杀使国家骤然陷入战争状态。

词源early 16th cent.: from Latin praecipitat- ‘thrown headlong’, from the verb praecipitare, from praeceps, praecip(it)- ‘headlong’, from prae ‘before’ + caput ‘head’. The original sense of the verb was ‘hurl down, send violently’; hence ‘cause to move rapidly’, which gave rise to the current verb and noun senses (early 17th cent.).

precipitate

adjective

/prɪˈsɪpɪtət/

(formal)

(of an action or a decision行动或决定) happening very quickly or suddenly and usually without enough care and thought鲁莽的；草率的；仓促的
- the precipitate resignation of the director董事的突然辞职
- To force a decision now would be precipitate.现在强行作出决定是草率的。
词源early 16th cent.: from Latin praecipitat- ‘thrown headlong’, from the verb praecipitare, from praeceps, praecip(it)- ‘headlong’, from prae ‘before’ + caput ‘head’. The original sense of the verb was ‘hurl down, send violently’; hence ‘cause to move rapidly’, which gave rise to the current verb and noun senses (early 17th cent.).

precipitate

noun

/prɪˈsɪpɪteɪt/

(chemistry化学)

a solid substance that has been separated from a liquid in a chemical process沉淀物；析出物
- A yellow precipitate should form immediately.应立即形成黄色沉淀。
Topics Physics and chemistryc2
词源early 16th cent.: from Latin praecipitat- ‘thrown headlong’, from the verb praecipitare, from praeceps, praecip(it)- ‘headlong’, from prae ‘before’ + caput ‘head’. The original sense of the verb was ‘hurl down, send violently’; hence ‘cause to move rapidly’, which gave rise to the current verb and noun senses (early 17th cent.).

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