# opalescent

> English word · Adjective · IPA /oʊpəˈlɛsənt/ · frequency rank #97,384

## Definitions
1. Exhibiting a milky iridescence like that of an opal.

## Etymology
From opal + -escent. First attested in 1813.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/opalescent