DICT.TW Dictionary Taiwan

 opalesce
 (vi.)發出乳白色光

 O·pal·esce v. i. [imp. & p. p. Opalesced p. pr. & vb. n. Opalescing ] To give forth a play of colors, like the opal.
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 opalesce
      v 1: reflect light or colors like an opal; "Distant clouds
           opalesce like pale brocade"; "raindrops caught in a
           sunbeam seem to opalesce"
      2: exhibit a play of colors like that of an opal; "This nitrate
         opalesces under certain conditions"