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infinitesimal
[ in-fin-i-tes-uh-muhl ]
/ ˌɪn fɪn ɪˈtɛs ə məl /
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This shows grade level based on the word's complexity.
adjective
indefinitely or exceedingly small; minute: infinitesimal vessels in the circulatory system.
immeasurably small; less than an assignable quantity: to an infinitesimal degree.
Mathematics. of, relating to, or involving infinitesimals.
noun
an infinitesimal quantity.
Mathematics. a variable having zero as a limit.
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Origin of infinitesimal
OTHER WORDS FROM infinitesimal
in·fin·i·tes·i·mal·i·ty, in·fin·i·tes·i·mal·ness, nounin·fin·i·tes·i·mal·ly, adverbWords nearby infinitesimal
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use infinitesimal in a sentence
British Dictionary definitions for infinitesimal
infinitesimal
/ (ˌɪnfɪnɪˈtɛsɪməl) /
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
Derived forms of infinitesimal
infinitesimally, adverbCollins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for infinitesimal
infinitesimal
[ Än′fÄn-Ä-tÄ•s′ə-mÉ™l ]
Adjective
Capable of having values approaching zero as a limit.
Noun
A function or variable continuously approaching zero as a limit.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.