nonillion

[ noh-nil-yuhn ]

noun

, plural no·nil·lions, (as after a numeral) no·nil·lion.

1. a cardinal number represented in the U.S. by 1 followed by 30 zeros, and in Great Britain by 1 followed by 54 zeros.

adjective

1. amounting to one nonillion in number.

nonillion

/ nəʊˈnɪljən /

noun

1. (in Britain, France, and Germany) the number represented as one followed by 54 zeros (10 ⁵⁴)
2. (in the US and Canada) the number represented as one followed by 30 zeros (10 ³⁰) Brit wordquintillion

Derived Forms

• noˈnillionth, adjectivenoun

Other Words From

• no·nillionth noun adjective

Word History and Origins

Origin of nonillion¹

1680–90; < French, equivalent to non- (< Latin nōnus ninth) + -illion, as in million million

Word History and Origins

Origin of nonillion¹

C17: from French, from Latin nōnus ninth, on the model of million

Example Sentences

Researchers at the University of Georgia estimate that there are 5 nonillion bacteria on the planet—that’s a five with 30 zeros after it.

From Nautilus