Learn how to say Triploidy correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word triploid:
(of a cell or nucleus) containing three homologous sets of chromosomes:
a triploid endosperm nucleus
(of an organism or species) composed of triploid cells:
a triploid carp
a triploid organism, variety, or species:
this cross produces many infertile triploids