Căl'o-mĕl, n.

n. [Fr. calomelas, N. Lat. calomelas, from Gr. καλός, beautiful, and μέλας, black, in allusion to its properties and color. Cf. ETHIOPS MINERAL. The latter part of the word was afterward interpreted as being derived from Gr. μέλι, Lat. mel, honey.] (Chem.) A mild chloride of mercury, containing one more equivalent of mercury than corrosive sublimate. It is much used as a medicine.