Pre*cip`i*ta"tion(?), n. [L. praecipitatio: cf. F. prcipitation.] 1. The act of precipitating, or the state of being precipitated, or thrown headlong.
In peril of precipitationShak.
From off rock Tarpeian.
2. A falling, flowing, or rushing downward with violence and rapidity.
The hurry, precipitation, and rapid motion of the water, returning . . . towards the sea.Woodward.
3. Great hurry; rash, tumultuous haste; impetuosity. "The precipitation of inexperience."
(Chem.) The act or process of precipitating from a solution.
5. (Meteorology) A deposit on the earth of hail, mist, rain, sleet, or snow; also, the quantity of water deposited.
Deposits of dew, fog, and frost are not regarded by the United States Weather Bureau as precipitation. Sleet and snow are melted, and the record of precipitation shows the depth of the horizontal layers of water in hundredths of an inch or in millimeters.
[Webster 1913 Suppl.]
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Wed 25th November 2020