noun see: melan- Date: 1676 a white tasteless compound Hg 2 Cl 2 used especially as a component of laboratory electrodes, as a fungicide, and formerly in medicine as a purgative
CALOMEL
Meaning of CALOMEL in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012