n. - The act of impregnating or the state of being impregnated; fecundation.
n. - The fusion of a female germ cell (ovum) with a male germ cell (in animals, a spermatozoon) to form a single new cell endowed with the power of developing into a new individual; fertilization; fecundation.
n. - That with which anything is impregnated.
n. - Intimate mixture; influsion; saturation.
n. - An ore deposit, with indefinite boundaries, consisting of rock impregnated with ore.