from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The state or condition of being a polyploid; having more than the usual two homologous sets of chromosomes.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the condition of being polyploid
From polyploid + -y, after German Polyploidie. (Wiktionary)