Infinitesimal



[in-fin-i-tes-uh-muh l] /ˌɪn fɪn ɪˈtɛs ə məl/

adjective
1.
indefinitely or exceedingly small; minute:
infinitesimal vessels in the circulatory system.
2.
immeasurably small; less than an assignable quantity:
to an infinitesimal degree.
3.
of, relating to, or involving infinitesimals.
noun
4.
an infinitesimal quantity.
5.
Mathematics. a variable having zero as a limit.
/ˌɪnfɪnɪˈtɛsɪməl/
adjective
1.
infinitely or immeasurably small
2.
(maths) of, relating to, or involving a small change in the value of a variable that approaches zero as a limit
noun
3.
(maths) an infinitesimal quantity
adj.

1710 (1650s as a noun), “infinitely small,” from Modern Latin infinitesimus, from Latin infinitus “infinite” (see infinite) + -esimus, as in centesimus “hundredth.” Related: Infinitesimally.
infinitesimal
(ĭn’fĭn-ĭ-těs’ə-məl)
Adjective Capable of having values approaching zero as a limit.

Noun A function or variable continuously approaching zero as a limit.

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