Hypertext Webster Gateway: "opalescent"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Opalescent \O`pal*es"cent\, a.
Reflecting a milky or pearly light from the interior; having
an opaline play of colors.
From WordNet (r) 1.7 (wn)
opalescent
adj : having a play of lustrous rainbow-like colors; "an
iridescent oil slick"; "nacreous (or pearlescent)
clouds looking like mother-of-pearl"; "a milky
opalescent (or opaline) luster" [syn: {iridescent}, {nacreous},
{opaline}, {pearlescent}]
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