[ noh-nil-yuh n ]
/ 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.
QUIZ TIME: TEST YOUR MEMORY OF THE MAY 2020 WORDS OF THE DAY
Let the aeolian gusts transport you back to these popular Words of the Day from the month of May. How many do you remember?
Question 1 of 10
Which of the following words means “to travel or journey, especially to walk on foot”?
Origin of nonillion
1680–90; < French, equivalent to non- (< Latin nōnus ninth) + -illion, as in million million
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