Iridize
Pronunciation : Ir"i*dize
Part of Speech : v.
Definition : 1. To point or tip with iridium, as a gold pen.
2. To make iridescent; as, to iridize glass.
t. [imp. & p. p. Iridized; p. pr. & vb. n. Iridizing.]
Source : Webster's Unabridged Dictionary, 1913