colcothar: Meaning and Definition of

col•co•thar

Pronunciation: (kol'ku-thur), [key]
— n. Chem.
  1. the brownish-red oxide of iron produced by heating ferrous sulfate: used chiefly as a pigment in paints and theatrical rouge, and as a polishing agent. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
Colchis cold
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