| 单词 | precipitate |
| 释义 | precipitateWord family adverbprecipitatelynounprecipitationprecipitatoradjectiveprecipitativeverbprecipitate Chemistry pre·cip·i·tate1 /prɪˈsɪpɪteɪt/ verb 1 [transitiveT] formalCAUSE to make something serious happen suddenly or more quickly than was expected 促成，加速 SYN hasten The riot was precipitated when four black men were arrested. ► see thesaurus at cause 这场骚乱是因为四名黑人男子的被捕而突然引发的。 2. [intransitiveI, transitiveT + out] technicalHC to separate a solid substance from a liquid by chemical action, or to be separated in this way （使）沉淀，（使）淀析 3 precipitate somebody into something phrasal verbphr v formal to force someone or something into a particular state or condition 使陷入〔某种状态〕 The drug treatment precipitated him into a depression. 药物治疗使他陷入抑郁。 Examples from the Corpus precipitate into • The social pressures of my peers precipitated me into a frenzied bout of heterosexuality, usually accompanied by drunkenness.• Suddenly, a ladder broke away, precipitating them down into a heap and unfortunately one was killed.• She makes no attempt to precipitate Lucy into any engagement, agreeable to her or otherwise. Examples from the Corpus precipitate• Both countries claimed the same area, precipitating a border war.• For this reason, an increase in population density often precipitates a round of emigration.• An attack on the country could precipitate a world war.• Butsy was sixteen and aware that the trip had been precipitated by a crisis.• What world historical events were precipitated by incidents that occurred then?• Tetany may be triggered by hyperventilation or precipitated by vomiting or by pregnancy and lactation.• Thus differences in 18 O/ 16 O ratio may be expected between water and calcite precipitating from it.• The 1929 stock market crash precipitated the collapse of the American banking system.• Ironically, in view of what had happened fifty years earlier, it was now the School's success which precipitated the next crisis.• Some 592 people had been injured in the police attack on student demonstrators, which precipitated the November revolution. Chemistry pre·cip·i·tate2 /prəˈsɪpətət/ noun [countableC] 1.technicalHC a solid substance that has been chemically separated from a liquid 沉淀物 Examples from the Corpus precipitate• I producing fixed capital, there would be a precipitate decline in those sectors.• Sedimentary rocks show stratification and form by settling of erosional debris and chemical precipitates.• This inhibition is caused by the formation of insoluble precipitates of calcium, phosphate, and bile acid micelles.• When the solution becomes turbid the mixture is warmed until the precipitate dissolves. precipitate3 adjectiveadj formal 1 HURRYhappening or done too quickly, and not thought about carefully 仓促的，贸然的，轻率的 SYN hasty a precipitate decision 草率的决定 —precipitately adverbadv Examples from the Corpus precipitate• I have much sympathy with those who warn against precipitate novelty in the food industry. (1500-1600) Latin past participle of praecipitare, from praeceps; → PRECIPICE |
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