opalesce

[ oh-puh-les ]
/ ˌoʊ pəˈlɛs /

verb (used without object), o·pal·esced, o·pal·esc·ing.

to exhibit a play of colors like that of the opal.

Origin of opalesce

First recorded in 1810–20; back formation from opalescent
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for opalesce

opalesce

/ (ˌəʊpəˈlɛs) /

verb

(intr) to exhibit a milky iridescence
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