fertilization
/ˌfɜːtɪlaɪˈzeɪʃən/(亦作 -isation)
noun
mass noun
1- Biology the action or process of fertilizing an egg or a female animal or plant, involving the fusion of male and female gametes to form a zygote【生】受精。
1.1
- the action or process of applying a fertilizer to soil or land（土壤或土地的）施肥。