Osmic /(?)/

Os·mic

Osmic

a.
  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.