Source : Webster's Revised Unabridged Dictionary (1913)

Iridic \I*rid"ic\, a.
   Of or pertaining to the iris of the eye.

Iridic \I*rid"ic\, a. (Chem.)
   Of or pertaining to iridium; -- said specifically of those
   compounds in which iridium has a relatively high valence.

Source : WordNet®

iridic
     adj 1: of or containing iridium
     2: of or relating to the iris of the eye