tetraploid noun 2adjective 1forms 1 noun2 •A tetraploid cell. •A tetraploid organism.The variation of caryopsis characters in species of Aegilops and wheat diploids is similar to that of wheat tetraploids . — 1995 adjective1 •Having four sets of chromosomes.In potato, crosses between the tetraploid cultivated species Solanum tuberosum, and some clones of the diploid wild-type species S. phureja, constitute a method of producing maternal dihaploids. — 1998 formstetraploids
