having more than two haploid sets of chromosomes that are derived from the same ancestral species.
an autopolyploid cell or organism.
Origin of autopolyploid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(of cells, organisms, etc) having more than two sets of haploid chromosomes inherited from a single species
an organism or cell of this type
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012