1. Fertilization by the union of male and female gametes from different individual of the same species
   - cross-fertilization 
2. Interchange between different cultures or different ways of thinking that is mutually productive and beneficial
   "the cross-fertilisation of science and the creative arts"
   - cross-fertilization

See also: cross-fertilise [Brit]

Type of: fecundation, fertilisation [Brit], fertilization, give-and-take, impregnation, interchange, reciprocation

• flagship
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