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
Words nearby potassium bromide
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.