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infinitesimal
[in-fin-i-tes-uh-muhl]
adjective
exceedingly small; minute.
Capillaries, the infinitesimal vessels in our circulatory system, are small enough that red blood cells must flow through them single-file.
Mathematics.
immeasurably small; less than an assignable quantity.
An infinitesimal number is never zero, but it comes pretty close.
of, relating to, or involving variables having zero as a limit.
infinitesimal calculus.
noun
an infinitesimal quantity.
Mathematics.a variable having zero as a limit.
infinitesimal
/ ˌɪԴɪɪˈɛɪə /
adjective
infinitely or immeasurably small
maths of, relating to, or involving a small change in the value of a variable that approaches zero as a limit
noun
maths an infinitesimal quantity
infinitesimal
Capable of having values approaching zero as a limit.
A function or variable continuously approaching zero as a limit.
Other Word Forms
- infinitesimality noun
- infinitesimalness noun
- infinitesimally adverb
- ˌԴھԾˈٱ adverb
Word History and Origins
Origin of infinitesimal1
Example Sentences
According to the Heritage Foundation, a conservative organization, only 12 voter fraud cases have been prosecuted in California since 2021 — an infinitesimal fraction of millions of ballots cast.
Art often is just a business, but a dangerous one: Changing people by an infinitesimal degree, Castleberry knows, has a way of thoroughly warping and wrecking human lives.
But he also said the numbers suggested that noncitizen voting “is an infinitesimal, small issue.”
Already, quantum computers are helping researchers zoom in on reaction pathways in fuel cell catalysts, simulate the infinitesimally brief interactions of light and matter, and reveal druggable pockets in proteins.
In dissent, Trump appointee Andrew Oldham responded that “no one seeks without at least an infinitesimal hope of finding.”
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