| calomel | HgCl;mild mercury chloride; mercury monochloride, protochloride, or subchloride; has been used as an intestinal antiseptic and laxative; replaced by safer agents. Synonym: mercurous chloride, sweet precipitate. Origin: Mediev. L., fr. G. Kalos, beutiful, + melas, black (05 Mar 2000) |
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| calomel electrode | An electrode in which the wire is connected through a pool of mercury to a paste of mercurous chloride (Hg2Cl2, calomel) in a potassium chloride solution covered by more potassium chloride solution; commonly used as a reference electrode. (05 Mar 2000) |
| vegetable calomel | <botany> The dried seeds and root of the mayapple (Podophyllum peltatum) from which several medicinally-useful compounds can be extracted. (09 Oct 1997) |
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