impregnation

Noun

• 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 process of totally saturating something with a substance
  • the impregnation of wood with preservative
    
  • the saturation of cotton with ether
    

• material with which something is impregnated
  • the impregnation, whatever it was, had turned the rock blue
    

Related words

• Synonyms: 
  fertilization , fertilisation , fecundation , saturation