'HIO3' definitions:

Definition of 'HIO3'

From: GCIDE

Iodic \I*od"ic\, a. [Cf. F. iodique. See Iodine.] (Chem.) Pertaining to, or containing, iodine; specif., denoting those compounds in which it has a relatively high valence; as, iodic acid. [1913 Webster]
Iodic acid, a monobasic acid (HIO3), consisting of iodine with three parts of oxygen and one of hydrogen. [1913 Webster]