The Collaborative International Dictionary
                    Iridize
                    
                        
                
                                                                    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
                    iridize
                    
                        
                
                                                                    vb. 1 (context transitive English) To point or tip with iridium. 2 (context transitive English) To make iridescent.