"impregnation" in the noun sense
1. impregnation
material with which something is impregnated
"the impregnation, whatever it was, had turned the rock blue"
2. impregnation, saturation
the process of totally saturating something with a substance
"the impregnation of wood with preservative"
"the saturation of cotton with ether"
3. 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
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License