calomel calomba • calomorphic · · · Info · Definitions · Synonyms · Characters · · calomel · · Text Latin · · Script 7 · · Length Definitions · · · (noun) a tasteless colorless powder used medicinally as a cathartic. Synonyms: mercurous chloride. · · Noun Definition 1 Synonyms · · · mercurous chloride · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F