opaline
nounEtymology From opal + -ine.
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
Chemistry, Geography, Geology, Mineralogy, Natural sciences, Physical sciences Any of several minerals resembling opal, including a variety of yellow chalcedony.
3
Synonym of opal glass.
- Related terms
- opalescent