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Definition of Hydrogen bromide
1. Noun. A colorless gas that yields hydrobromic acid in solution with water.
Generic synonyms: Bromide
Medical Definition of Hydrogen bromide
1. HBr;a colourless gas that has a very irritating odour and fumes in moist air; in aqueous solution, it is hydrobromic acid. Hydrogen chloride, HCl;a very soluble gas which, in solution, forms hydrochloric acid. (05 Mar 2000)