tetraploidPronunciation: /ˈtɛtrəplɔɪd/ BiologyDefinition of tetraploid adjective (of a cell or nucleus) containing four homologous sets of chromosomes: additional chromosomes were introduced into the tetraploid cells (of an organism or species) composed of tetraploid cells: a tetraploid species of hybrid origin noun an organism, variety, or species composed of or featuring tetraploid cells: a tetraploid which produces flowers of double sizeDerivatives tetraploidy noun tetraploid in other Oxford dictionaries Definition of tetraploid in the US English dictionary
