iridize or iridise /īrˈ or irˈi-dīz/

1. To make iridescent
2. To tip with iridium

iridization or iridisation /ī-rid-īz-āˈshən, ir-id- or -iz-/ noun

Iridescence

• direct mail advertising
• direct mailshot
• direct mailshots
• direct marketing
• direct method
• direct motion
• directness
• directnesses
• direct object
• direct objects
• Directoire
• director
• directorate
• directorates
• director circle
• director circles
• director-general
• directorial
• directories
• director of public prosecutions
• directors
• director's chair
• director's cut
• directors-general
• directorship