4. (Chem.) The act or process of precipitating from a solution.

Pre*cip"i*ta`tor (?), n. [L. praecipitator an overthrower.] One who

precipitates, or urges on with vehemence or rashness. Hammond.

Prec`i*pi"tious (?), a. Precipitous. [Obs.] -- Prec`i*pi"tious*ly, adv.

[Obs.] Dr. H. More.

Pre*cip"i*tous (?), a. [L. praeceps, -cipitis: cf. OF. precipiteux. See

Precipice.] 1. Steep, like a precipice; as, a precipitous cliff or

mountain.