"cross-fertilization, cross-breeding; act or process of hybridizing; state of being hybridized," 1824, noun of action from hybridize.
Entries linking to hybridization
hybridize v.
1802, intransitive, "cross or inter-breed," from hybrid + -ize. Transitive sense of "cause to interbreed" is by 1823. Related: Hybridized; hybridizing.