calomel

noun
cal·o·mel | \ˈka-lə-məl, -ˌmel\

Definition of calomel 

: a white tasteless compound Hg2Cl2 used especially as a component of laboratory electrodes, as a fungicide, and formerly in medicine as a purgative

called also mercurous chloride

First Known Use of calomel

1676, in the meaning defined above

History and Etymology for calomel

probably from New Latin *calomelas, from Greek kalos beautiful + melas black — more at melan-

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The first known use of calomel was in 1676

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calomel

noun
cal·o·mel | \ˈkal-ə-məl, -ˌmel \

Medical Definition of calomel 

: a white tasteless compound Hg2Cl2 used especially as a fungicide and insecticide and formerly in medicine as a purgative

called also mercurous chloride

More from Merriam-Webster on calomel

Britannica.com: Encyclopedia article about calomel

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