n. [ L. praecipitatio: cf. F. précipitation. ]
In peril of precipitation
From off rock Tarpeian. Shak. [ 1913 Webster ]
The hurry, precipitation, and rapid motion of the water, returning . . . towards the sea. Woodward. [ 1913 Webster ]
☞ 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. ]