Definition of cross-fertilize in English:

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Pronunciation: /krɒsˈfəːtɪlʌɪz/
(also cross-fertilise)


1 [with object] Fertilize (a plant) using pollen from another plant of the same species: he cross-fertilized some batches of plants
More example sentences
  • Canola pollen can also cross-fertilise related plants such as broccoli, cauliflower, cabbage and many common weed species.
  • For example, he cites their unwillingness to concede that pollen from GM crops could cross-fertilize nearby conventional or organic varieties.
  • In a typical experiment he cross-fertilized plants grown from green seeds with plants grown from yellow seeds and found that the resulting hybrid seeds were all yellow.
1.1 [no object] (Of two plants) fertilize each other: fennel should not be grown near to dill, otherwise the two will cross-fertilize
More example sentences
  • The potential for hybridization is supported by the fact that the three species cross-fertilize in the lab.
  • Botanists have classically viewed this polymorphism as an outcrossing mechanism, since in most situations reciprocal morphs can only cross-fertilize.
  • But the ecosystem is too interdependent for GM and non-GM crops to coexist without cross-fertilising.
2Stimulate the development of (something) with an exchange of ideas or information: sessions between the two groups cross-fertilize ideas and provide insights
More example sentences
  • This is precisely how astrological ideas cross-fertilise each other and grow.
  • Music defines place not by isolating it, but rather by opening its borders so that different genres, styles, and repertories cross the borders and cross-fertilize one another.
  • First, do the different organizations that are discussed in the various chapters cross-fertilize one another?



Pronunciation: /ˌkrɒsˌfəːtɪlʌɪˈzeɪʃ(ə)n/
Example sentences
  • Flowers of this species are protogynous, visited by a good variety of insects, and capable of both self-and cross-fertilization.
  • In this case it appears that male sterility caused self-fertilization to fail but some days later cross-fertilization took place.
  • While the flower is fully capable of cross-fertilization, the tree is so self-compatible that the majority of the fruits are usually self-fertilized.

For editors and proofreaders

Line breaks: cross-fertil¦ize

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