potassium bromide

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:
1870–75

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Collins
World English Dictionary
potassium bromide
 
n
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

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

potassium bromide n.
A white crystalline solid or powder used as a sedative.

The American Heritage® Stedman's Medical Dictionary
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