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Word of the Day Tuesday, June 9, 2026

infinitesimal

/ɪnfɪnɪtɪˈzɛməl/ adjective · British & US
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What does infinitesimal mean?

adjective

Extremely small; infinitesimally small. Used to describe something that is almost, but not quite, zero.

Example

"The infinitesimal change in temperature had a significant impact on the experiment."

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

Synonyms for infinitesimal

Antonyms of infinitesimal

Rhymes with infinitesimal

Etymologically related