[ noh-nil-yuhn ]
/ noʊˈnɪl yən /
noun, plural no·nil·lions, (as after a numeral) no·nil·lion.
a cardinal number represented in the U.S. by 1 followed by 30 zeros, and in Great Britain by 1 followed by 54 zeros.
amounting to one nonillion in number.
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Origin of nonillion
1680–90; <French, equivalent to non- (<Latin nōnus ninth) + -illion, as in millionmillion
OTHER WORDS FROM nonillionno·nil·lionth, noun, adjective
Words nearby nonillion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for nonillion
/ (nəʊˈnɪljən) /
(in Britain, France, and Germany) the number represented as one followed by 54 zeros (10 54)
(in the US and Canada) the number represented as one followed by 30 zeros (10 30)Brit word: quintillion
Derived forms of nonillionnonillionth, adjective, noun
Word Origin for nonillion
C17: from French, from Latin nōnus ninth, 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