1. Creation by the physical union of male and female gametes; of sperm and ova in an animal or pollen and ovule in a plant
   "The fertilisation of the egg occurred shortly after mating";
   - fertilization, fecundation, impregnation
    
2. Making fertile as by applying fertilizer or manure
   "The fertilisation of the fields increased crop yields significantly";
   - fertilization, fecundation, dressing

Derived forms: fertilisations

Type of: conception, creation, enrichment

Encyclopedia: Fertilisation