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Dictionary

chrome' al"um

1. Also called ammonium chrome alum, ammonium chromic sulfate. a green, crystalline, water-soluble powder, chromium ammonium sulfate, CrNH₄(SO₄)₂·12H₂O, used chiefly as a mordant in dyeing.
2. a violet, crystalline, water-soluble powder, potassium chromium sulfate, CrK(SO₄)₂·12H₂O, used chiefly as a mordant in dyeing.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

chrome

chrome dome

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