tredecillion
[tree-di-sil-yuh n]
- a cardinal number represented in the U.S. by 1 followed by 42 zeros, and in Great Britain by 1 followed by 78 zeros.
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- amounting to one tredecillion in number.
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Origin of tredecillion
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018