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[noh-vuh m-di-sil-yuh n]
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noun, plural no·vem·de·cil·lions, (as after a numeral) no·vem·de·cil·lion.
  1. a cardinal number represented in the U.S. by 1 followed by 60 zeros, and in Great Britain by 1 followed by 114 zeros.
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  1. amounting to one novemdecillion in number.
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Origin of novemdecillion

1935–40; < Latin novemdec(im) nineteen (novem nine + decem ten) + -illion, as in million
Related formsno·vem·de·cil·lionth, adjective, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018