| hydriodic | <chemistry> Pertaining to, or derived from, hydrogen and iodine; said of an acid produced by the combination of these elements. <chemistry> Hydriodic acid, a pungent, colourless gas, HI, usually prepared as a solution in water. It is strong reducing agent. Synonym: hydrogen iodine. Origin: Hydr- + iodic: cf. F. Hydriodique. Source: Websters Dictionary (01 Mar 1998) |
|---|