Search Result for "opalesce": 
Wordnet 3.0

VERB (2)

1. reflect light or colors like an opal;
- Example: "Distant clouds opalesce like pale brocade"
- Example: "raindrops caught in a sunbeam seem to opalesce"

2. exhibit a play of colors like that of an opal;
- Example: "This nitrate opalesces under certain conditions"



The Collaborative International Dictionary of English v.0.48:

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.
   [1913 Webster]


WordNet (r) 3.0 (2006):

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"