• noun:   the process of totally saturating something with a substance

  Example: "The impregnation of wood with preservative"

• noun:   material with which something is impregnated

  Example: "The impregnation, whatever it was, had turned the rock blue"

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

Related words...