The Collaborative International Dictionary
Opalescing
Opalesce \O`pal*esce"\, v. i. [imp. & p. p. Opalesced; p. pr. & vb. n. Opalescing.] To give forth a play of colors, like the opal.
Wiktionary
opalescing
vb. (present participle of opalesce English)
Usage examples of "opalescing".
When it, too, had circled her three times, she was surrounded by a shell of light and force that shifted and changed moment by moment, opalescing with every color that the mind could conceive.