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Word of the Day Tuesday, June 9, 2026

fluorescent

/ˌflʊərɪˈsɛnt/ adjective · British & US
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What does fluorescent mean?

adjective

Giving off light that is not caused by heat; glowing in the dark, typically with a blue or greenish light. This is often used to describe materials or objects that emit light when exposed to ultraviolet light.

Example

"The fluorescent paint on the ceiling glowed brightly in the dark room."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for fluorescent

Antonyms of fluorescent

Rhymes with fluorescent

Etymologically related