impregnation

noun

1. 1

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

2. 2

   the process of totally saturating something with a substance

   the impregnation of wood with preservative

   the saturation of cotton with ether

3. 3

   material with which something is impregnated

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