Iridize \Ir"i*dize\, v. t. [imp. & p. p. {Iridized}; p. pr. & vb. n. {Iridizing}.] [1913 Webster] 1. To point or tip with iridium, as a gold pen. [1913 Webster] 2. To make iridescent; as, to iridize glass. [1913 Webster]