- 1cross-fertilize something (biology) to fertilize a plant using pollen from a different plant of the same species Unlike other cereals, rye is cross-fertilized.
- 2cross-fertilize something to help something 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.
BrE ; NAmEVerb Forms present simple I / you / we / they cross-fertilize
BrE ; NAmEhe / she / it cross-fertilizes
BrE ; NAmEpast simple cross-fertilized
BrE ; NAmEpast participle cross-fertilized
BrE ; NAmE-ing form cross-fertilizing
BrE ; NAmE