opalescence.
the state of being opalescent
Meaning & usage
the state of being opalescent
the milky iridescent appearance of a dense transparent medium when it is illuminated by polychromatic visible radiation (such as sunlight) due to local fluctuations in its density and therefore in its refractive index
Where this word comes from
Etymology tree English opal Proto-Indo-European *-éh₁ti Proto-Indo-European *-sḱéti Proto-Indo-European *-éh₁sḱeti Proto-Italic *-ēskō Latin -ēscō Latin -escensder. English -escence English opalescence From opal + -escence.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.