The Collaborative International Dictionary of English v.0.48:

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]

WordNet (r) 3.0 (2006):

iodic acid
    n 1: a soluble crystalline acid; used as a reagent and
         disinfectant