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Word of the Day Tuesday, June 9, 2026

fluoresce

/ˈfluːərɛs/ verb · British & US
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What does fluoresce mean?

verb

to give off light that is not caused by heat; to glow in the dark, typically because of a chemical reaction.

Example

"The firefly's abdomen began to fluoresce in the dark forest."

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

Synonyms for fluoresce

Antonyms of fluoresce

Rhymes with fluoresce

Etymologically related