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vigintillion

[vahy-jin-til-yuh n] /ˌvaɪ dʒɪnˈtɪl yən/
noun, plural vigintillions (as after a numeral) vigintillion.
1.
a cardinal number represented in the U.S. by 1 followed by 63 zeros, and in Great Britain by 1 followed by 120 zeros.
adjective
2.
amounting to one vigintillion in number.
Origin of vigintillion
1900-1905
1900-05; < Latin vīgint(ī) twenty + -illion, as in million
Related forms
vigintillionth, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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