Nouns

(n)impregnation, saturationthe process of totally saturating something with a substance“the impregnation of wood with preservative”, “the saturation of cotton with ether”
(n)saturationthe act of soaking thoroughly with a liquid
(n)saturationa condition in which a quantity no longer responds to some external influence
(n)saturation, chroma, intensity, vividnesschromatic purity: freedom from dilution with white and hence vivid in hue