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
Synonyms: saturation

"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"

Related terms: material
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
Similar spelling:   imprecation