1. material with which something is impregnated

- the impregnation, whatever it was, had turned the rock blue

Definition categories: substance, material, stuff

2. the process of totally saturating something with a substance

- the impregnation of wood with preservative

Similar word(s): saturation

Definition categories: process, permeation, pervasion, suffusion

3. creation by the physical union of male and female gametes; of sperm and ova in an animal or pollen and ovule in a plant

Similar word(s): fecundation, fertilisation, fertilization

Definition categories: event, conception, creation