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Definition of Osmic acid
1. Noun. (chemistry) A supposed acid formed from osmium tetroxide but known only as osmate salts. ¹
¹ Source: wiktionary.com
Medical Definition of Osmic acid
1. OsO4;a volatile caustic and strong oxidizing agent; colourless crystals, poorly soluble in water, but soluble in organic solvents; the aqueous solution is a fat and myelin stain and a general fixative for electron microscopy. Synonym: osmium tetroxide. (05 Mar 2000)