Longman Dictionary of Contemporary English homepage

cross-fertilize

verb
     
cross-fertilize also cross-fertilise British English [transitive]
1HBP to combine the male sex cells from one type of plant with female sex cells from another
2 to influence someone or something with ideas from other areas:
In a university students live together, encourage, support and cross-fertilise each other.
cross-fertilization noun [uncountable]

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