The Collaborative International Dictionary
Iridizing
Iridize \Ir"i*dize\, v. t. [imp. & p. p. Iridized; p. pr. & vb. n. Iridizing.]
To point or tip with iridium, as a gold pen.
To make iridescent; as, to iridize glass.
Wiktionary
iridizing
vb. (present participle of iridize English)