noun, often attributive
sex·​de·​cil·​lion | \ ˌseks-di-ˈsil-yən How to pronounce sexdecillion (audio) \

Definition of sexdecillion

US : a number equal to 1 followed by 51 zeros — see Table of Numbers also, British : a number equal to 1 followed by 96 zeros — see Table of Numbers

Examples of sexdecillion in a Sentence

Recent Examples on the Web Eventually, this creature was proved to live — or, technically, to act — in 196,883 dimensions, and to possess 808 sexdecillion or so symmetries. Siobhan Roberts, New York Times, 3 Mar. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sexdecillion.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of sexdecillion

1848, in the meaning defined above

History and Etymology for sexdecillion

Latin sedecim, sexdecim sixteen (from sex six + decem ten) + English -illion (as in million) — more at ten

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Time Traveler for sexdecillion

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The first known use of sexdecillion was in 1848

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Dictionary Entries Near sexdecillion

sex cord



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Statistics for sexdecillion

Cite this Entry

“Sexdecillion.” Dictionary, Merriam-Webster, Accessed 16 May. 2022.

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