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Word of the Day Tuesday, June 9, 2026

reactivity

/rɪˈæktɪvɪti/ noun · British & US
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What does reactivity mean?

noun

The state or quality of being reactive; a tendency to react quickly or strongly to stimuli. The ability of a substance to undergo a chemical reaction.

Example

"The high reactivity of the new material made it difficult to handle safely."

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

Synonyms for reactivity

Antonyms of reactivity

Rhymes with reactivity

Etymologically related