Meaning of autopolyploid

au•to•pol•y•ploid

Pronunciation: (ô"tu-pol'u-ploid"), [key]
— Biol. Biol.
—adj.
  1. having more than two haploid sets of chromosomes that are derived from the same ancestral species.
—n.
  1. an autopolyploid cell or organism. Cf. allopolyploid.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.