Meaning of “infinitesimal” in the English Dictionary

"infinitesimal" in British English

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infinitesimaladjective

uk /ˌɪn.fɪ.nɪˈtes.ɪ.məl/ us /ˌɪn.fɪ.nəˈtes.ə.məl/ formal

(Definition of “infinitesimal” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"infinitesimal" in American English

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infinitesimaladjective

us /ˌɪn·fə·nɪˈtes·ə·məl/

extremely small:

Even in infinitesimal amounts, this poison can kill you.

(Definition of “infinitesimal” from the Cambridge Academic Content Dictionary © Cambridge University Press)

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