Pronunciation

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Determiner

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Determiner
nonillion

  1. (number) (ordinal nonillionth) The number 1,000,000,000,000,000,000,000,000,000,000

Singular
nonillion

Plural
nonillions

  1. The number 1,000,000,000,000,000,000,000,000,000,000
    One thousand octillion is a nonillion.