sextillion

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noun, often attributive sex·til·lion \seks-ˈtil-yən\

Definition of sextillion

  1. US :  a number equal to 1 followed by 21 zeros — see number table; also, British :  a number equal to 1 followed by 36 zeros — see number table

Origin and Etymology of sextillion

French, irregular from sex- (from Latin sex) + -illion (as in million)


First Known Use: 1690

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