[ ir-i-des-uh nt ]
/ ˌɪr ɪˈdɛs ənt /


displaying a play of lustrous colors like those of the rainbow.


an iridescent cloth, material, or other substance: new fall dresses of imported iridescents.

Origin of iridescent

First recorded in 1790–1800; irid- + -escent

OTHER WORDS FROM iridescent Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for iridescent

British Dictionary definitions for iridescent

/ (ˌɪrɪˈdɛsənt) /


displaying a spectrum of colours that shimmer and change due to interference and scattering as the observer's position changes

Derived forms of iridescent

iridescence, nouniridescently, adverb

Word Origin for iridescent

C18: from irido- + -escent
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012