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sextillion

[seks-til-yuh n] /sɛksˈtɪl yən/
noun, plural sextillions (as after a numeral) sextillion.
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.
adjective
2.
amounting to one sextillion in number.
Origin
1680-1690
1680-90; < French < Latin sext(us) sixth + -illion, as in million
Related forms
sextillionth, adjective, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for sextillion

sextillion

/sɛksˈtɪljən/
noun (pl) -lions, -lion
1.
(in Britain, France, and Germany) the number represented as one followed by 36 zeros (1036)
2.
(in the US and Canada) the number represented as one followed by 21 zeros (1021)
Derived Forms
sextillionth, adjective, noun
Word Origin
C17: from French, from sex- + -illion, on the model of septillion
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for sextillion
n.

1680s, from Latin sext-, comb. form of sex "six" (see six) + (m)illion. Cf. billion. Related: Sextillionth.

Online Etymology Dictionary, © 2010 Douglas Harper
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