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Word of the Day Tuesday, June 9, 2026

reactor

/riːˈæktər/ noun · British & US
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What does reactor mean?

noun

A device or system that produces a chemical or nuclear reaction, especially one that generates power. A person or thing that causes a reaction or response.

Example

"The nuclear reactor was designed to produce a safe and efficient source of energy."

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

Synonyms for reactor

Antonyms of reactor

Rhymes with reactor

Etymologically related