octodecillion
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oc·to·de·cil·lion

noun \ˌäk-tō-di-ˈsil-yən\

Definition of OCTODECILLION

US : a number equal to 1 followed by 57 zeros — see number table; also British : a number equal to 1 followed by 108 zeros — see number table

Origin of OCTODECILLION

Latin octodecim eighteen + English -illion (as in million)
First Known Use: 1939

Rhymes with OCTODECILLION

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