OPALINE

opaline

Noun

  1. a clear-to-white liquid secreted by sea hares (genus Aplysia) that becomes viscous upon contact with water
    ''The attack on a sea hare by a spiny lobster causes release of the whitish opaline, followed the co-release of both opaline and ink.

Noun (etymology 2)

  1. any of several minerals resembling opal

Adjective

  1. resembling opal in its iridescence


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