
1) Reduce to slag
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to reduce to slag
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http://phrontistery.info/s.html

• (v. t.) 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.
Found on
http://thinkexist.com/dictionary/meaning/scorify/
Sco'ri·fy transitive verb [
imperfect & past participle Scorified ;
present participle & verbal noun Scorifying .] [
Scoria +
-fy : confer French
scorifier .]
(Chemistry) To reduce to scoria or slag; specifi...
Found on
http://www.encyclo.co.uk/webster/S/35
No exact match found.