Definition of Iridescent

Adjective: iridescent ,i-ri'de-sunt

Varying in colour when seen in different lights or from different angles
"iridescent silk"; "a dragonfly hovered, vibrating and iridescent";
- changeable, chatoyant, shot
Having a play of lustrous rainbow colours
"an iridescent oil slick"; "iridescent clouds looking like mother-of-pearl";
- nacreous, opalescent, opaline, pearlescent