opalescence
/ˌəʉpəˈlesəns/ noun
Forms opalescences
- noun the state of being opalescent
- noun (physics) 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
Synonyms
Webster’s 1913
- noun A reflection of a milky or pearly light from the interior of a mineral, as in the moonstone; the state or quality of being opalescent.
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “opalescence”, CC BY-SA 4.0. Details