opaline

Resembling opal in having a milky white iridescence.

She was so alive that night, opaline points in her eyes, mouth parted to bare her teeth.

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.

Any of several minerals resembling opal, including a variety of yellow chalcedony.

Synonym of opal glass.