nonillion

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noun, often attributive no·nil·lion \nō-ˈnil-yən\

Definition of nonillion

  1. US :  a number equal to 1 followed by 30 zeros — see number table; also, British :  a number equal to 1 followed by 54 zeros — see number table

Origin and Etymology of nonillion

French, from Latin nonus ninth + French -illion (as in million) — more at noon


First Known Use: 1690

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clearly seen through or understood

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