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Related to infinitesimally: Infinitesimally small


1. Immeasurably or incalculably minute.
2. Mathematics Capable of having values approaching zero as a limit.
1. An immeasurably or incalculably minute amount or quantity.
2. Mathematics A function or variable continuously approaching zero as a limit.

[From New Latin īnfīnītēsimus, infinite in rank, from Latin īnfīnītus, infinite; see infinite.]

in′fin·i·tes′i·mal·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


[ˌɪnfɪnɪˈtɛsɪməli] adv
infinitesimally small → infinitésimalement petit(e)
Collins English/French Electronic Resource. © HarperCollins Publishers 2005


adv smaller, better, slowernur ganz geringfügig; smallzum Verschwinden
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
References in classic literature ?
Only by taking infinitesimally small units for observation (the differential of history, that is, the individual tendencies of men) and attaining to the art of integrating them (that is, finding the sum of these infinitesimals) can we hope to arrive at the laws of history.
To study the laws of history we must completely change the subject of our observation, must leave aside kings, ministers, and generals, and the common, infinitesimally small elements by which the masses are moved.
Now, all our lines are EQUALLY and INFINITESIMALLY thick (or high, whichever you like); consequently, there is nothing in them to lead our minds to the conception of that Dimension.
It would, we reckoned, make four infinitesimally small meals for each of us, enough, say, to support life for a couple of days.
Natural selection can act only by the preservation and accumulation of infinitesimally small inherited modifications, each profitable to the preserved being; and as modern geology has almost banished such views as the excavation of a great valley by a single diluvial wave, so will natural selection, if it be a true principle, banish the belief of the continued creation of new organic beings, or of any great and sudden modification in their structure.
It was he who had kept up an unaccountable and close correspondence with a young lady whose whole letter-bag was intercepted, by the extraordinary trick of photographing his messages infinitesimally small upon the slides of a microscope.
From adding new teams to increasing the pool of international stars playing the league, the PSL is a perfect example of a stable five-year growth trajectory for a stable sports business that adds to the country's economic growth, however infinitesimally.
Only an infinitesimally small section of the labour force would thus benefit from the rise.
Considering the enormous potential for coordination and cooperation in a variety of fields that could lead to the advent of a new era of economic progress, the success achieved so far would appear to be infinitesimally limited.
They know that even if they get through to the next round the odds of actually winning the competition are infinitesimally small.
They are an insult to the elderly who are jailed for crimes on an infinitesimally smaller scale than the crimes of the Marcoses, who have contributed to and sustained the type of systemic inequality which allows both injustices to happen.