01 a. Pertaining to, or derived from, hydrogen and iodine; -- said of an acid (HI) produced by the combination of these elements.
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1.
Pertaining to, or derived from, hydrogen and iodine; -- said of an acid (HI) produced by the combination of these elements.(Chem.)
Phrases & compounds
Hydriodic acid —
a pungent, colorless gas, HI, usually prepared as a solution in water. It is strong reducing agent. Called also hydrogen iodide.