Noun impregnation has 3 senses
  1. impregnation - material with which something is impregnated; "the impregnation, whatever it was, had turned the rock blue"
    --1 is a kind of
    material, stuff
  2. impregnation, saturation - the process of totally saturating something with a substance; "the impregnation of wood with preservative"; "the saturation of cotton with ether"
    --2 is a kind of permeation, pervasion, suffusion
    --2 is a part of plastination
    Derived form: verb impregnate2
  3. fertilization, fertilisation, fecundation, impregnation - creation by the physical union of male and female gametes; of sperm and ova in an animal or pollen and ovule in a plant
    --3 is a kind of creation, conception
    --3 has particulars:
     pollination, pollenation; cross-fertilization, cross-fertilisation; self-fertilization, self-fertilisation; superfecundation; superfetation
    Derived forms: verb impregnate3, verb impregnate4