Noun
A compound of hydrobromic acid with a base; -- distinguished from a bromide, in which only the bromine unites with the base.
Source: Webster's dictionaryExceptions include scopolamine hydrobromide, which is soluble in organic solvents, and the water-soluble quinine sulfate. Source: Internet
The salts of methadone in use are the hydrobromide (free base conversion ratio 0.793), hydrochloride (0.894), and HCl monohydrate (0.850). Source: Internet
There is also a marked difference between dextromethorphan hydrobromide, contained in most cough suppressant preparations, and dextromethorphan polistirex, contained in the brand name preparation Delsym. Source: Internet