"fertilization" in the noun sense
1. fertilization, fertilisation, fecundation, impregnation
creation by the physical union of male and female gametes of sperm and ova in an animal or pollen and ovule in a plant
2. fertilization, fertilisation, fecundation, dressing
making fertile as by applying fertilizer or manure
Source: WordNet® (An amazing lexical database of English)
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