1. showed a play of colors like that of an opal; displayed iridescent colors
Usage: past tense of opalesce

Examples

• The soap bubble opalesced in the sunlight before it popped.
• The oil slick opalesced on the water’s surface with rainbow hues.
• Her dress opalesced under the stage lights, shifting from blue to green.
• The mother-of-pearl shell opalesced as she turned it in her hand.
• The morning dew opalesced on the spider’s web.
• The fish scales opalesced as it swam through the clear water.