'Hydriodic acid' definitions:
Definition of 'hydriodic acid'
From: WordNet
noun
(HI) a colorless or yellow aqueous solution of hydrogen iodide; "hydriodic acid is a strong acid"
Definition of 'Hydriodic acid'
From: GCIDE
- Hydriodic \Hy`dri*od"ic\, a. [Hydr- + iodic: cf. F. hydriodique.] (Chem.) Pertaining to, or derived from, hydrogen and iodine; -- said of an acid (HI) produced by the combination of these elements. [1913 Webster]
- Hydriodic acid (Chem.), a pungent, colorless gas, HI, usually prepared as a solution in water. It is strong reducing agent. Called also hydrogen iodide. [1913 Webster]