Chiefly Chemistry. A precipitated substance; a precipitate. Now rare.

concrete. The product of distilling. That which distils or forms by distilling (see sense 1).

spec. The conversion of a substance from the state of gas or vapour to the liquid, or (rarely) to the solid, condition.

Meteorology. More fully atmospheric precipitate. Moisture that falls to the earth after condensing from water vapour in the atmosphere; a particular…