opaline
adjective, noun
Forms opalines
- adjective Resembling opal in having a milky white iridescence.
- noun 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 (mineralogy) Any of several minerals resembling opal, including a variety of yellow chalcedony.
- noun Synonym of opal glass.
Synonyms
opalesque opalish opal glass iridescent nacreous opalescent pearlescent
Etymology
Cf. F. opalin.
Webster’s 1913
- adjective Of, pertaining to, or like, opal in appearance; having changeable colors like those of the opal.
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “opaline”, CC BY-SA 4.0. Details