( BrE also ˌcross-ˈfertil·ise ) verb [ vn ]
1.
( biology ) to fertilize a plant using pollen from a different plant of the same species
2.
to help sth develop in a useful or positive way by mixing ideas from a different area :
The study of psychology has recently been widely cross-fertilized by new discoveries in genetics.
► ˌcross-ˌfertil·iˈza·tion , ˌcross-ˌfertil·iˈsa·tion noun [ U , sing. ]