/ Dictionary / Index A amphimixis: Meaning and Definition of Find definitions for: am•phi•mix•is Pronunciation: (am"fu-mik'sis), [key] — pl. -mix•es the merging of the nuclei of the sperm and egg cells; sexual reproduction. the combining of anal and genital eroticism in the development of sexuality. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: amphimixis (Thesaurus) Amphimarus Amphinome Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language