D defs.my
Entry 1 sense Webster, 1913

Osmic

· Os·mic · IPA
01 a. Pertaining to, derived from, or containing, osmium; specifically, designating those compounds in which it has a valence higher than in othe…
  1. 1.
    Pertaining to, derived from, or containing, osmium; specifically, designating those compounds in which it has a valence higher than in other lower compounds; as, osmic oxide.(Chem.)
Phrases & compounds
Osmic acid — Osmic tetroxide.
Osmic tetroxide — a white volatile crystalline substance, OsO4, the most stable and characteristic of the compounds of osmium. It has a burning taste, and gives off a vapor, which is a powerful irritant poison, violently attacking the eyes, and emitting a strong chlorinelike odor. Formerly improperly called osmic acid.