potassium bromide


noun Chemistry.

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.

Origin of potassium bromide

First recorded in 1870–75

British Dictionary definitions for potassium bromide

potassium bromide

noun

a white crystalline soluble substance with a bitter saline taste used in making photographic papers and plates and in medicine as a sedative. Formula: KBr

Medical definitions for potassium bromide

potassium bromide

n.

A white crystalline solid or powder used as a sedative.