un-iridescent

iridescent

[ir-i-des-uhnt]
adjective
1.
displaying a play of lustrous colors like those of the rainbow.
noun
2.
an iridescent cloth, material, or other substance: new fall dresses of imported iridescents.

Origin:
1790–1800; irid- + -escent

iridescently, adverb
noniridescent, adjective
noniridescently, adverb
uniridescent, adjective
uniridescently, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
iridescent (ˌɪrɪˈdɛsənt)
 
adj
displaying a spectrum of colours that shimmer and change due to interference and scattering as the observer's position changes
 
[C18: from irido- + -escent]
 
iri'descence
 
n
 
iri'descently
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

iridescent
1796, coined from L. iris (gen. iridis) "rainbow" (see iris).
Online Etymology Dictionary, © 2010 Douglas Harper
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