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octillion |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Octillion \Oc*til"lion\, n. [L. octo eight + -illion, as in E. million: cf F. octillion.] According to the French method of numeration (which method is followed also in the United States) the number expressed by a unit with twenty-seven ciphers annexed. According to the English method, the number expressed by a unit with forty-eight ciphers annexed. See {Numeration}.