'Calomel' definitions:
Definition of 'calomel'
From: WordNet
noun
A tasteless colorless powder used medicinally as a cathartic [syn: calomel, mercurous chloride]
Definition of 'Calomel'
From: GCIDE
- Calomel \Cal"o*mel\ (k[a^]l"[-o]*m[e^]l), n. [Gr. kalo`s beautiful + me`las black. So called from its being white, though made from a black mixture of mercury and corrosive sublimate. Cf. F. calom['e]las.] (Chem.) Mild chloride of mercury, Hg2Cl2, a heavy, white or yellowish white substance, insoluble and tasteless, much used in medicine as a mercurial and purgative; mercurous chloride. It occurs native as the mineral horn quicksilver. [1913 Webster]