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precipitate

pre·cip·i·tate [ prə síppi tàyt ]


verb  (past and past participle pre·cip·i·tat·ed, present participle pre·cip·i·tat·ing, 3rd person present singular pre·cip·i·tates)
Definition:
 
1. transitive verb make something happen quickly: to make something happen suddenly and quickly

2. transitive verb send somebody or something rapidly: to send somebody or something suddenly and rapidly into a particular state or condition
A minor border skirmish precipitated the two countries into war.

3. transitive and intransitive verb meteorology make rain or snow fall: to cause liquid or solid forms of water, condensed in the atmosphere, to fall to the ground as rain, snow, or hail, or fall in such a form

4. transitive and intransitive verb chemistry separate solid out of solution: to cause a solid to separate out from a solution as a result of a chemical reaction, or separate out in this way

5. transitive and intransitive verb throw or fall from above: to throw somebody or something from a great height, or fall from a great height ( formal )



adjective 
Definition:
 
1. done or acting rashly: done or acting too quickly and without enough thought
I may have been precipitate in accepting their offer.

2. hurried: very hurried
made a precipitate departure

3. sudden: sudden and unexpected



noun  (plural pre·cip·i·tates)
Definition:
 
chemistry suspension of small particles: a suspension of small solid particles that are formed in a solution as a result of a chemical reaction and usually settle out of the solution

[Early 16th century. < Latin praecipitat-, past participle of praecipitare "throw down" < praeceps "headlong" < caput "head"]

pre·cip·i·ta·ble [ prə síppitəb'l ] adjective
pre·cip·i·tate·ly [ prə síppitətlee ] adverb
pre·cip·i·tate·ness [ prə síppitətnəss ] noun
pre·cip·i·ta·tive [ prə síppi tàytiv ] adjective
pre·cip·i·ta·tor [ prə síppi tàytər ] noun
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