/ Dictionary / Index A ameiosis: Meaning and Definition of Find definitions for: a•mei•o•sis Pronunciation: (ā"mī-ō'sis), [key] — n. Cell Biol. aberrant meiosis in which only an equational division occurs, as in parthenogenesis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ameerate amelia Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language