Opalescent

//oʊpəˈlɛsənt// adj

Definitions

Adjective
  1. 1
    Exhibiting a milky iridescence like that of an opal.

    "Below me, through the opalescent surface, I saw the white ghost of the Cessna."

Adjective
  1. 1
    having a play of lustrous rainbow colors wordnet

Etymology

From opal + -escent. First attested in 1813.

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