iridescence

noun

ir·​i·​des·​cence ˌir-ə-ˈde-sᵊn(t)s 

1

: a lustrous rainbowlike play of color caused by differential refraction of light waves (as from an oil slick, soap bubble, or fish scales) that tends to change as the angle of view changes

2

: a lustrous or attractive quality or effect

Examples of iridescence in a Sentence

Recent Examples on the Web

Hummingbirds and many other species create dazzling iridescence thanks to layers of pigments in their feathers. —Ian Rose, Smithsonian Magazine, 10 June 2025

The Pro option is inspired by fast hard courts with shades of gray contrasting with the iridescence of Solaro fabrics, and a reversible pinstripe vest nodding to Sease’s signature blend of sartorial codes and functionality. —Sandra Salibian, Footwear News, 16 June 2025

So instead, designers tweaked certain details, like twitching nerves under his skin and the iridescence in his scales. —Brian Truitt, USA Today, 14 June 2025

These structural characteristics reflect and refract light in a way that creates a subtle but dazzling iridescence – less like the bold sparkle of a peacock and more like fine lace held up to sunlight. —Scott Travers, Forbes.com, 1 June 2025

Word History

Etymology

irid(escent) + -escence

First Known Use

1804, in the meaning defined at sense 1

Rhymes for iridescence

• acquiescence
• adolescence
• coalescence
• convalescence
• effervescence
• efflorescence
• evanescence
• incandescence
• inflorescence
• luminescence
• obsolescence
• opalescence

Kids Definition

iridescence

noun

ir·​i·​des·​cence ˌir-ə-ˈdes-ᵊn(t)s 

: a play of colors producing rainbow effects (as in a soap bubble)