from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To separate (an ore) into scoria and a precious metal.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To reduce an ore to scoria.

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. To reduce to scoria or slag; specifically, in assaying, to fuse so as to separate the gangue and earthy material, with borax, lead, soda, etc., thus leaving the gold and silver in a lead button; hence, to separate from, or by means of, a slag.

from The Century Dictionary and Cyclopedia

  • To reduce to scoria, slag, or dross.


Sorry, no etymologies found.



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