opaline

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

From opal + -ine.

It was a glorious afternoon, one of those opaline, blue-arched autumn days when it should have been a joy merely to be alive. — The Prairie Wife, Arthur Stringer
This glitter, this opaline luster plays round the top of every toy to his eye, to insure his fidelity, and he is deceived to his good. — Essays by Ralph Waldo Emerson, Ralph Waldo Emerson
Here and there, opaline hues of infinite subtlety raced among sparks of light that were like so many fiery diamonds, their brilliance more than any eye could stand. — Twenty Thousand Leagues Under the Seas: An Underwater Tour of the World, Jules Verne

iridescent, nacreous, opalescent, pearlescent

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