English Explanatory Dictionary

opaline

English dictionary entry

Meanings

adj
  1. Resembling opal in having a milky white iridescence.
noun
  1. A clear to white liquid secreted by sea hares (genus Aplysia) that becomes viscous upon contact with water.
  2. Any of several minerals resembling opal, including a variety of yellow chalcedony.
  3. Synonym of opal glass.

Word forms

opaline more opaline most opaline opalines

Etymology

From opal + -ine.

Synonyms

opalesque opalish opal glass

Related words

opalescent
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