English Explanatory Dictionary

duocentillion

English dictionary entry

Meanings

num
  1. 10³⁰⁹.

Word forms

duocentillion duocentillions

Etymology

From duo- (“two”) + centillion. Compare Latin ducentī (“two hundred”). Coined by Alfred Holbrook Alfred Holbrook, a principal of South-Western Normal School in Lebanon, Ohio, in 1859 (see the quotation).

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