potassium bromide: Meaning and Definition of

potas'sium bro'mide

Pronunciation: [key]
— Chem. Chem.
  1. a white, crystalline, water-soluble powder, KBr, having a bitter saline taste: used chiefly in the manufacture of photographic papers and plates, in engraving, and in medicine as a sedative.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.