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|(Old Chem.)||An artificial amorphous trisulphide of antimony; - so called on account of its red color.|
|(Med. Chem.)||A compound of the trioxide and trisulphide of antimony, used in medicine. This substance occurs in nature as the mineral kermesite.|
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.