a crystalline or amorphous, colorless, poisonous compound, OsO
, soluble in water, alcohol, and ether: used for microscopic staining, in photography, and as a catalyst in organic synthesis.
a yellowish poisonous water-soluble crystalline substance with a penetrating odour, used as a reagent and catalyst in organic synthesis. Formula: OsO
Collins English Dictionary - Complete & Unabridged 10th Edition
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