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potassium bromide

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.


potassium bromide

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
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of potassium bromide1

First recorded in 1870–75
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Example Sentences

An earlier version of this article incorrectly referred to potassium bromide as an additive to flour.

Hayden carefully removed a microgram portion of the substance inside and mixed it with a potassium bromide solution.

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

The next two drugs, vecuronium bromide, which stops breathing, and potassium bromide, which stops the heart, were the administered.

If it occur early in the disease, it will generally be sufficient to prescribe at bedtime ten grains each of potassium bromide and chloral, repeated once or twice during the night.

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potassium bromatepotassium carbonate