Search Result for "opalescence":
Wordnet 3.0

NOUN (1)

1. the visual property of something having a milky brightness and a play of colors from the surface;
[syn: opalescence, iridescence]



The Collaborative International Dictionary of English v.0.48:

Opalescence \O`pal*es"cence\, n. (Min.)
   A reflection of a milky or pearly light from the interior of
   a mineral, as in the moonstone; the state or quality of being
   opalescent.
   [1913 Webster]