— allopolyploidy /al'euh pol"euh ploy'dee/ , n.
/al'euh pol"euh ployd'/ , Biol.
adj.
1. having more than two haploid sets of chromosomes that are dissimilar and derived from different species.
n.
2. an allopolyploid cell or organism. Cf. autopolyploid .
[ 1925-30; ALLO- + POLYPLOID ]