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Added 9 October 2026

luminescent

/luːmɪˈnɛs(ə)nt/ adjective

Latin root: lumen Wiktionary

adjective Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about luminescent at Wordnik → Where our words come from →

Emitting light not caused by heat.

Origin

From stem of Latin lumen (“light”) + -escent, equivalent to luminesce + -ent.

From Wiktionary, via Kaikki.org (CC BY-SA)

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