hybridizePronunciation: /ˈhʌɪbrɪdʌɪz/ (also hybridise)Definition of hybridize verb [with object] cross-breed (individuals of two different species or varieties): a few gardeners hybridize their roses [no object] (of an animal or plant) breed with an individual of another species or variety: most ducks will hybridize in captivityDerivatives hybridizable adjective hybridizationPronunciation: /-ˈzeɪʃ(ə)n/ noun hybridizer noun hybridize in other Oxford dictionaries Definition of hybridize in the US English dictionary