Defn: The act or process of cutting out a portion of the iris in order to form an artificial pupil.

IRIDESCENCE
Ir`i*des"cence, n. Etym: [See Iridescent.]

Defn: Exhibition of colors like those of the rainbow; the quality or state of being iridescent; a prismatic play of color; as, the iridescence of mother-of-pearl.

IRIDESCENT Ir`i*des"cent, a. Etym: [L. iris, iridis, the rainbow: cf. F. iridescent.]

Defn: Having colors like the rainbow; exhibiting a play of changeable colors; nacreous; prismatic; as, iridescent glass.

IRIDIAN
I*rid"i*an, a.

Defn: Of or pertaining to the iris or rainbow.

IRIDIATED
I*rid"i*a`ted, a.

Defn: Iridescent.

IRIDIC
I*rid"ic, a.