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hydrogen bromide

noun

  1. a colorless gas, HBr, having a pungent odor: the anhydride of hydrobromic acid.



hydrogen bromide

noun

  1. a colourless pungent gas used in organic synthesis. Formula: HBr

  2. an aqueous solution of hydrogen bromide; hydrobromic acid

“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 hydrogen bromide1

First recorded in 1895–1900

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