opalescence

Fetched 2026-10-26 (cache).

Synonyms: coalescence, opalescent, calescence, hyalescence, opalescences, pallescence

Antonyms: coalescence, opalescent, calescence, hyalescence, opalescences, pallescence

Related words from Datamuse; suggestions, not definitions.

Noun

1. the state of being [[opalescent]]
2. {{lb|en|physics}} the [[milky]] [[iridescent]] appearance of a dense [[transparent]] [[medium]] when it is [[illuminated]] by [[polychromatic]] [[visible]] [[radiation]] (such as [[sunlight]]) due to [[local]] [[fluctuation]]s in its [[density]] and therefore in its [[refractive index]]

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.