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

Textures feel nearly tangible, from the rough bark of the branch to the fine iridescence of the feathers. — Kimberly Gedeon, PC Magazine, 19 Aug. 2026

The Starry Ti version uses a more complex titanium surface treatment that produces shifting colors and crystalline textures reminiscent of starlight, ice, or oil-slick iridescence. — New Atlas, 9 July 2026

What is missing is the iridescence. — Douglas Goodwin, The Conversation, 1 June 2026

Indeed, the only true color in the collection is provided by the otherworldly iridescence of peacock pearls. — Kate Matthams, Forbes.com, 15 May 2026

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)