The Collaborative International Dictionary
Hydriodic
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.
Hydriodic acid (Chem.), a pungent, colorless gas, HI, usually prepared as a solution in water. It is strong reducing agent. Called also hydrogen iodide.
Wiktionary
hydriodic
a. Of or pertaining to hydriodic acid or its derivatives
WordNet
Usage examples of "hydriodic".
Many of the poisonous acids, such as hydriodic, benzoic, hippuric, and carbolic (but I neglected to record all the cases), caused the secretion of an extraordinary amount of mucus, so that long ropes of this matter hung from the leaves when they were lifted out of the solutions.