(botany) Of or pertaining to the irises (of family Iridaceae).

(chemistry) containing tetravalent iridium

(medicine) Of or relating to the iris of the eye.

plural of iris (part of the eye)

the application of iridium to a surface

(inorganic chemistry) The oxyanion of iridium Ir₂O₇⁶⁻; any salt containing this anion

plural of iridate

(anatomy) Relating to the iris.

(rare) Pertaining to a rainbow. / (chiefly medicine) Pertaining to the iris of the eye.

simple past tense and past participle of iridize