hydrogen bromide

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

Origin:
1895–1900

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World English Dictionary
hydrogen bromide
 
n
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 10th Edition
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American Heritage
Medical Dictionary

hydrogen bromide n.
An irritating colorless gas used in the manufacture of barbiturates and synthetic hormones.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
Experimental materials on hygienic regulation of bromine and hydrogen bromide in the air of the working zone.
On contact with strong acids or acid fumes it produces highly toxic and corrosive hydrogen bromide gas.
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