triploid; triplont
Biology term for an organism or cell with three sets of chromosomes. Used in genetics and breeding contexts.
Triploid plants often become seedless.
This study used triploid cells.
倍数体 (polyploid) is a broader term for organisms with more than two sets of chromosomes; 三倍体 is a specific type of polyploid.
From 三 (three) + 倍 (multiple) + 体 (body/organism), a straightforward compound describing an organism with three chromosome sets.