English

Adjective

opaline ‎(comparative more opaline, superlative most opaline)

1. resembling opal in its iridescence

Noun

opaline ‎(countable and uncountable, plural opalines)

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.

2. (mineralogy) any of several minerals resembling opal, including a variety of yellow chalcedony
3. opal glass

Related terms

• opalescent

Translations

French

Adjective

opaline

1. feminine singular of opalin

Italian

Adjective

opaline

1. feminine plural of opalino