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octodecillion

[ ok-toh-di-sil-yuhn ]
/ ˌɒk toʊ dɪˈsɪl yən /
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noun, plural oc·to·de·cil·lions, (as after a numeral) oc·to·de·cil·lion.

a cardinal number represented in the U.S. by 1 followed by 57 zeros, and in Great Britain by 1 followed by 108 zeros.

adjective

amounting to one octodecillion in number.

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Origin of octodecillion

1935–40; <Latin octōdec(im) eighteen + English -illion, as in million

OTHER WORDS FROM octodecillion

oc·to·de·cil·lionth, adjective, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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