octodecillion

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noun oc·to·de·cil·lion \ˌäk-tō-di-ˈsil-yən\

Definition of octodecillion

  1. 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 and Etymology of octodecillion

Latin octodecim eighteen + English -illion (as in million)

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to reach the highest or a decisive point

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