Tĕp'id, a.

a. [Lat. tepidus, from tepere, to be warm; It. tepido, tiepido, O. Sp. tepido, N. Sp. tibio, Pg. tepido, tibio, Pr. tebe, Fr. tépide, tiède.] Moderately warm; lukewarm; as, a tepid bath; tepid rays; tepid vapors.

Tepid mineral waters, such as have less sensible cold than common water.