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opalescent

[oh-puh-les-uh nt] /ˌoʊ pəˈlɛs ənt/
adjective
1.
exhibiting a play of colors like that of the opal.
2.
having a milky iridescence.
Origin
1805-1815
1805-15; opal + -escent
Related forms
opalescence, noun
opalescently, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for opalescent
  • They are astonishing, those eyes: pale and opalescent, with vagrant beams of light glancing from the corneas.
British Dictionary definitions for opalescent

opalescent

/ˌəʊpəˈlɛsənt/
adjective
1.
having or emitting an iridescence like that of an opal
Derived Forms
opalescence, noun
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
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Word Origin and History for opalescent
adj.

1813, from opal + -escent.

Online Etymology Dictionary, © 2010 Douglas Harper
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opalescent in Medicine

opalescent o·pal·es·cent (ō'pə-lěs'ənt)
adj.
Resembling an opal in the display of various colors, often used to describe certain bacterial cultures.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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opalescent in Science
opalescent
  (ō'pə-lěs'ənt)   
Exhibiting a milky iridescence like that of opal.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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