- exhibiting a play of colors like that of the opal.
- having a milky iridescence.
Origin of opalescent
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for opalescent
The opalescent, minty-green louche billows under the ice water droplets.The Absinthe-Minded Porteños of Buenos Aires
March 10, 2014
Boris plunged in his hand and drew out an exquisite marble thing, blue-veined, rose-tinted, and glistening with opalescent drops.Read ‘The King in Yellow,’ the ‘True Detective’ Reference That’s the Key to the Show
Robert W. Chambers
February 20, 2014
A face was there—a man with a blur of opalescent light behind him.The World Beyond
Raymond King Cummings
The sun was rising, and the water assumed an opalescent hue.The Historical Nights' Entertainment
How could he fasten the repellor to that great, impenetrable, opalescent bulk?The Planetoid of Peril
The soft, opalescent mornings are fragrant with love and pleasure.The Choice of Life
The evening daylight in the streets was large and luminous, opalescent and empty.The Wisdom of Father Brown
G. K. Chesterton
- having or emitting an iridescence like that of an opal
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
Word Origin and History for opalescent
Online Etymology Dictionary, © 2010 Douglas Harper
- 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.
- 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.