opalescent

[ oh-puh-les-uh nt ]
/ ˌoʊ pəˈlɛs ənt /

adjective

exhibiting a play of colors like that of the opal.
having a milky iridescence.

Origin of opalescent

First recorded in 1805–15; opal + -escent
Related formso·pal·es·cence, nouno·pal·es·cent·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for opalescence

British Dictionary definitions for opalescence

opalescent

/ (ˌəʊpəˈlɛsənt) /

adjective

having or emitting an iridescence like that of an opal
Derived Formsopalescence, 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

Medicine definitions for opalescence

opalescent

[ ō′pə-lĕsənt ]

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.

Science definitions for opalescence

opalescent

[ ō′pə-lĕsənt ]

Exhibiting a milky iridescence like that of opal.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.