sexdecillion
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sex·de·cil·lion

noun, often attributive \ˌseks-di-ˈsil-yən\

Definition of SEXDECILLION

US : a number equal to 1 followed by 51 zeros — see number table; also British : a number equal to 1 followed by 96 zeros — see number table

Origin of SEXDECILLION

Latin sedecim, sexdecim sixteen (from sex six + decem ten) + English -illion (as in million) — more at ten
First Known Use: 1848

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