cross-pollination
1. [ noun ] (botany) fertilization by transfer of pollen from the anthers of one flower to the stigma of another
Related terms: self-pollination pollination pollinate
2. [ noun ] stimulating influence among diverse elements
Examples:

"the cross-pollination of the arts"

Related terms: influence
Similar spelling:   cross-pollinating
  cross-pollinate
  cross-fertilization
  cross-fertilisation