|1.||[ noun ] (physics) the process of permeating or infusing something with a substance|
|Synonyms:||saturation pervasion suffusion permeation|
|Related terms:||diffusion ammonification carbonation percolate permeate interpenetrate suffuse|
|2.||[ noun ] (physics) the process of totally saturating something with a substance|
"the impregnation of wood with preservative" "the saturation of cotton with ether"
|Related terms:||permeation plastination|
|3.||[ noun ] material with which something is impregnated|
"the impregnation, whatever it was, had turned the rock blue"
|4.||[ 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|
|Synonyms:||fertilisation fecundation fertilization|
|Related terms:||creation superfecundation self-fertilization pollination superfetation cross-fertilization impregnate inseminate|