impregnation
im-preg-na-tion
noun
The act or process of making a female pregnant or fertilising an egg.
"Artificial impregnation is common in livestock breeding."
noun
The process of thoroughly saturating or permeating a material with a substance.
"The wood required impregnation with a fire retardant."
Thesaurus
Synonyms: saturation, fecundation, fertilisation, fertilization