Noun | 1. | impregnation - material with which something is impregnated; "the impregnation, whatever it was, had turned the rock blue" |
2. | impregnation - the process of totally saturating something with a substance; "the impregnation of wood with preservative"; "the saturation of cotton with ether" plastination - a process involving fixation and dehydration and forced impregnation and hardening of biological tissues; water and lipids are replaced by curable polymers (silicone or epoxy or polyester) that are subsequently hardened; "the plastination of specimens is valuable for research and teaching" | |
3. | ![]() conception, creation - the event that occurred at the beginning of something; "from its creation the plan was doomed to failure" pollenation, pollination - transfer of pollen from the anther to the stigma of a plant cross-fertilisation, cross-fertilization - fertilization by the union of male and female gametes from different individual of the same species self-fertilisation, self-fertilization - fertilization by the union of male and female gametes from the same individual superfecundation - fertilization of two or more ova released during the same menstrual cycle by sperm from separate acts of coitus (especially by different males) superfetation - fertilization of a second ovum after a pregnancy has begun; results in two fetuses of different ages in the uterus at the same time; "superfetation is normal in some animal species" |