/ Dictionary / Index A autopolyploid: Meaning and Definition of Find definitions for: au•to•pol•y•ploid Pronunciation: (ô"tu-pol'u-ploid"), [key] — Biol. Biol. —adj. having more than two haploid sets of chromosomes that are derived from the same ancestral species. —n. an autopolyploid cell or organism. Cf. allopolyploid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. autoplasty autopotamic 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