polyploid

Having one or more extra sets of chromosomes.

An organism with more than two sets of chromosomes.

having more than the usual number of complete sets of chromosomes in a single cell

a cell or organism that has more than the usual number of complete sets of chromosomes

(genetics) an organism or cell having more than twice the haploid number of chromosomes

of a cell or organism having more than twice the haploid number of chromosomes