octillion

noun oc·til·lion \ äk-ˈtil-yən \
|Updated on: 8 Jul 2018

Definition of octillion

US : a number equal to 1 followed by 27 zeros — see Table of Numbers; also, British : a number equal to 1 followed by 48 zeros — see Table of Numbers

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Origin and Etymology of octillion

French, from Middle French, from oct- octa- + -illion (as in million)


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