Definition of opalesce
: to emit or exhibit a play of colors like those of an opal
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of opalesce
back-formation from opalescence & opalescent
Seen and Heard
What made you want to look up opalesce? Please tell us where you read or heard it (including the quote, if possible).