<chemistry> Composed of hydrogen and bromine; as, hydrobromic acid.

<chemistry> Hydrobromic acid, a colourless, pungent, corrosive gas, HBr, usually collected as a solution in water. It resembles hydrochloric acid, but is weaker and less stable.

Synonyms: hydrogen bromide.

Origin: Hydro-, 2 + bromic.

(01 Mar 1998)