Meaning of “fertilize” in the English Dictionary

"fertilize" in British English

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fertilizeverb [ T ]

UK usually fertilise uk /ˈfɜː.tɪ.laɪz/ us /ˈfɝː.t̬əl.aɪz/
noun [ U ] UK usually fertilisation uk /ˌfɜː.tɪ.laɪˈzeɪ.ʃən/ us /ˌfɝː.t̬əl.əˈzeɪ.ʃən/

In humans, fertilization is more likely to occur at certain times of the month.

(Definition of “fertilize” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"fertilize" in American English

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fertilizeverb [ T ]

us /ˈfɜr·təlˌɑɪz/

fertilize verb [ T ] (SPREAD A SUBSTANCE)

to spread a natural or chemical substance on land in order to make plants grow well:

You have to fertilize your garden.

fertilize verb [ T ] (JOIN CELLS)

biology (in plants and animals) to join male and female sexual cells so that young begin to develop

(Definition of “fertilize” from the Cambridge Academic Content Dictionary © Cambridge University Press)