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octillion

[ok-til-yuh n] /ɒkˈtɪl yən/
noun, plural octillions (as after a numeral) octillion.
1.
a cardinal number represented in the U.S. by 1 followed by 27 zeros, and in Great Britain by 1 followed by 48 zeros.
adjective
2.
amounting to one octillion in number.
Origin
1680-1690
1680-90; < French, equivalent to oct- oct- + -illion, as in million
Related forms
octillionth, noun, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for octillion

octillion

/ɒkˈtɪljən/
noun
1.
(in Britain and Germany) the number represented as one followed by 48 zeros (1048)
2.
(in the US, Canada, and France) the number represented as one followed by 27 zeros (1027)
Derived Forms
octillionth, adjective
Word Origin
C17: from French, on the model of million
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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