potassium bromide

American  

noun

Chemistry.

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.

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potassium bromide British  

noun

1. 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

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Etymology

Origin of potassium bromide

First recorded in 1870–75

Example Sentences

See Examples For:

potassium bromide

Some bromide salts, notably potassium bromide, were found to be natural sedatives, and were prescribed in the 19th Century as a remedy for epilepsy.

From BBC ● Sep. 26, 2014

Notes Toward the end of the reaction, a crust of potassium bromide may tend to cover the melted potassium hydroxide.

From Organic Syntheses by Conant, James Bryant

Hebner, after an elaborate study of the relative value of potassium bromide, quinia, salicylic acid, chloral, and belladonna, says: "Salicylic acid and chloral tend to relieve the paroxysms—belladonna and quinia to shorten the disease."

From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various

Stas and C. Marignac from the analysis of potassium bromide, and of silver bromide.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" by Various

When bromine is added to a hot concentrated solution of potassium hydroxide there is formed a mixture of potassium bromide and potassium bromate in accordance with the reactions already discussed.

From An Elementary Study of Chemistry by McPherson, William