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undecillion

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noun, often attributive un·de·cil·lion \ˌən-di-ˈsil-yən\

Definition of undecillion

  1. — see number table



Origin of undecillion

Latin undecim eleven (from unus one + decem ten) + English -illion (as in million) — more at one, ten


First Known Use: 1931


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a timid, meek, or unassertive person

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