- indefinitely or exceedingly small; minute: infinitesimal vessels in the circulatory system.
- immeasurably small; less than an assignable quantity: to an infinitesimal degree.
- of, relating to, or involving infinitesimals.
- an infinitesimal quantity.
- Mathematics. a variable having zero as a limit.
Origin of infinitesimal
Related Wordsmicroscopic, negligible, imperceptible, minuscule, insignificant, miniature, little, minute, atomic, teeny, tiny, inappreciable, inconsiderable, unnoticeable
Examples from the Web for infinitesimal
But of course, the percentage of Americans who know that is infinitesimal.The Five Biggest Lies About Obamacare
August 17, 2014
"The difference between clicking and not clicking is often infinitesimal, and too much wasn't clicking," he recalls.New York’s Greatest Show Or How They Did Not Screw Up ‘Guys and Dolls’
April 6, 2014
The territory in dispute is grand in the imaginings of history and infinitesimal in geography.Barack Obama’s Cairo Speech, and His Israel Problem
February 25, 2013
Quantum theory explains the small stuff, where matter and energy divide into infinitesimal particles.This Week’s Hot Reads: June 5, 2012
Nicholas Mancusi, Jimmy So
June 6, 2012
But with so little time before actual voting begins, the margin for error is infinitesimal.Don't Do It, Chris!
September 30, 2011
To be sure, the wage was infinitesimal, while the toil was body-breaking soul-breaking.Within the Law
Here we find no infinitesimal subdivision and no multiplicity of crops.In the Heart of Vosges
Every beginning is infinitesimal, and wrapt in the mystery of creation.Salted With Fire
It is not the infinitesimal of time, but the negative of time.Parmenides
Yet surely (replied Socrates) that is only an infinitesimal part of generalship.The Memorabilia
- 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
- maths an infinitesimal quantity
Word Origin and History for infinitesimal
1710 (1650s as a noun), "infinitely small," from Modern Latin infinitesimus, from Latin infinitus "infinite" (see infinite) + -esimus, as in centesimus "hundredth." Related: Infinitesimally.
- Capable of having values approaching zero as a limit.
- A function or variable continuously approaching zero as a limit.