Colcothar

Acceptable For Game Play - US & UK word lists

This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

The American Heritage® Dictionary of the English Language, 4th Edition
  • n. A brownish-red ferric oxide obtained as a residue after heating ferrous sulfate, used in glass polishing and as a pigment.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • n. Polishing rouge; a reddish-brown oxide of iron, used in polishing glass, and also as a pigment; crocus Martis.
    • the GNU version of the Collaborative International Dictionary of English
  • n. Polishing rouge; a reddish brown oxide of iron, used in polishing glass, and also as a pigment; -- called also crocus Martis.
    • The Century Dictionary and Cyclopedia
  • n. The brownish-red peroxid of iron which remains after the distillation of the acid from iron sulphate.
    • Word Usage
    "Il est plus beau, plus vif que le brun-rouge d'Angleterre: Selon les uns, c'est une terre calcinée; selon d'autres, dont je crois l'opinion fondée, c'est le colcothar ou caput mortuum des eaux fortes qu'on réduit en poudre fine, après avoir bien lavées."
    Variant
    crocus martis   
     
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