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1. The cardinal number equal to 1021.
2. Chiefly British The cardinal number equal to 1036.

[French : Latin sextus, sixth; see sextile + French -illion (as in million, million, from Old French milion; see million).]

sex·til′lion adj.


n, pl -lions or -lion
1. (Mathematics) (in Britain, France, and Germany) the number represented as one followed by 36 zeros (1036)
2. (Mathematics) (in the US and Canada) the number represented as one followed by 21 zeros (1021)
[C17: from French, from sex- + -illion, on the model of septillion]
sexˈtillionth adj, n


(sɛksˈtɪl yən)

n., pl. -lions, (as after a numeral) -lion, n.
1. a cardinal number represented in the U.S. by 1 followed by 21 zeros, and in Great Britain by 1 followed by 36 zeros.
2. amounting to one sextillion in number.
[1680–90; < French < Latin sext(us) sixth + -illion, as in million]
sex•til′lionth, adj., n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sextillion - the number that is represented as a one followed by 21 zeros
France, French Republic - a republic in western Europe; the largest country wholly in Europe
U.S.A., United States, United States of America, US, USA, America, the States, U.S. - North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776
large integer - an integer equal to or greater than ten


n (Brit) → Sextillion f; (US) → Trilliarde f
References in periodicals archive ?
Two more interesting facts are the distance across our Milky Way galaxy (hundreds of quadrillions of miles or kilometers), and the distance across the observable universe (which may be much smaller than the whole universe), or sextillions of miles or kilometers.
52] kg (about a half hundred sextillions of solar masses) and [R.
As long as Whitman could live comfortably with the faith in immortality that vast numbers (of atoms, of millennia, of possible life forms) would guarantee--a kind of immortality to everyone (even if our individual identities blended back into the world, and all the things we had heard and seen and touched and tasted and smelled--the string of experiences that made up who we are--simply dispersed into the recycling world when we died), he portrays a self that is happy living in that shifting world of millions, billions, trillions, quadrillions, quintillions, sextillions, septillions, octillions, and decillions--all of which words he employs in Leaves of Grass: