/ Dictionary / Index E Eratosthenes: Meaning and Definition of Find definitions for: Er•a•tos•the•nes Pronunciation: (er"u-tos'thu-nēz"), [key] — n. 276?–195? b.c., Greek mathematician and astronomer at Alexandria. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: eratosthenes (Thesaurus) Erato Erbil Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language