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infinitesimal

Adjective

IPA /ˌɪnfɪnɪˈtesɪml/

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Meaning in plain English

So small that it is difficult to notice or measure.

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Pronunciation

infinitesimal/ˌɪnfɪnɪˈtesɪml/

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On a scale

An ordinary visible amount
An extremely tiny amount

Infinitesimal means extremely small, even smaller than the illustrative dot can show.

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There was only an infinitesimal difference between the two shades of paint.
The experiment detected an infinitesimal change in the sample's mass.

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infinitesimal — So small that it is difficult to notice or measure.

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So small that it is difficult to notice or measure.

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Word origin

From modern Latin infinitesimus, formed from Latin infinitus on the pattern of mathematical terms such as centesimal.

Did you know?

Infinitesimal amount, difference and fraction emphasise extreme smallness.

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