opaline

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opaline

adjective more opaline · most 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.
Similar: opalesque, opalish

noun opalines

countable, uncountable 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.
countable, uncountable Any of several minerals resembling opal, including a variety of yellow chalcedony.
countable, uncountable Synonym of opal glass.
Similar: opal glass

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noun resembling opal in its iridescence

Português	opalino
Italiano	opalino

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MLA

"opaline." Wiktionary, via Micwyn, micwyn.com/word/opaline. Accessed 6 Nov. 2026.

APA

opaline. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/opaline

Chicago

"opaline." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/opaline.

BibTeX

@misc{opaline_2026,
  title = {opaline},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/opaline},
  urldate = {2026-11-06}
}