polyploid
1. [ adjective ] (genetics; of a cell or organism) having more than twice the haploid number of chromosomes
Examples:

"a polyploid cell" "a polyploid species"

Related terms: diploid haploid genetics triploid
2. [ noun ] (genetics) an organism or cell having more than twice the haploid number of chromosomes
Related terms: life_form genetics
Similar spelling:   polyploidy