D defs.my
Entry 1 sense Webster, 1913

Opalesce

· O·pal·esce · IPA /oʊpəˈlɛs/
01 v. i. To give forth a play of colors, like the opal.
imp. & p. p. Opalesced; p. pr. & vb. n. Opalescing
  1. 1.
    To give forth a play of colors, like the opal.