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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


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Derived Forms

  • noˈnillionth, adjectivenoun

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Other Words From

  • no·nillionth noun adjective

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Word History and Origins

Origin of nonillion1

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

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Word History and Origins

Origin of nonillion1

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

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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.

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