quindecillion

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noun, often attributive quin·de·cil·lion \ˌkwin-di-ˈsil-yən\

Definition of quindecillion

  1. US :  a number equal to 1 followed by 48 zeros — see number table; also, British :  a number equal to 1 followed by 90 zeros — see number table

Origin and Etymology of quindecillion

Latin quindecim fifteen (from quinque five + decem ten) + English -illion (as in million) — more at ten

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