duodecillion

noun, often attributive
duo·de·cil·lion | \ˌdü-ō-di-ˈsil-yən, ˌdyü-\

Definition of duodecillion 

US : a number equal to 1 followed by 39 zeros — see Table of Numbers also, British : a number equal to 1 followed by 72 zeros — see Table of Numbers

First Known Use of duodecillion

1844, in the meaning defined above

History and Etymology for duodecillion

Latin duodecim twelve + English -illion (as in million)

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Dictionary Entries near duodecillion

duo-

duo

duodecennial

duodecillion

duodecimal

duodecimo

duodecimole

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The first known use of duodecillion was in 1844

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