Precipitation, in Chemistry, is an operation in which decomposition occurs in a fluid, either through the action of the air, or of a gas, or of a chemical agent in solution; and is accompanied by the deposition of a solid substance that was either previously held in solution or that has been formed by chemical action.
Precipitation
Chambers's Encyclopaedia, Volume 8: Peasant to Eoumelia, p. 386
Source scan(s): p. 0395