polyploid(n = noun.animal) - (genetics) an organism or cell having more than twice the haploid number of chromosomes;
is a kind of being, organism
Derived form adjective polyploid₁

   polyploid(a = adj.all) - of a cell or organism having more than twice the haploid number of chromosomes; "a polyploid cell"; "a polyploid species"
Antonyms: diploid, haploid
Derived form noun polyploid₁

polyploid, n. & adj. Biol.
--n. a nucleus or organism that contains more than two sets of chromosomes.
--adj. of or being a polyploid.

Derivative:
polyploidy n.

Etymology:
G (as POLY-(1), -PLOID)