centillion

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noun, often attributive cen·til·lion \sen-ˈtil-yən\

Definition of centillion

  1. US :  a number equal to 1 followed by 303 zeros — see number table; also, British :  a number equal to 1 followed by 600 zeros — see number table

Origin and Etymology of centillion

Latin centum + English -illion (as in million)

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