|Origin:||, past participle of praecipitare, from praeceps; PRECIPICE|
1 [transitive] formal
to make something serious happen suddenly or more quickly than was expected [= hasten]:
The riot was precipitated when four black men were arrested.
2 [intransitive,transitive + out] technicalHC
to separate a solid substance from a liquid by chemical action, or to be separated in this way
precipitate somebody into somethingphrasal verb
The drug treatment precipitated him into a depression.