saturation

noun

1. 1

   the act of soaking thoroughly with a liquid

2. 2

   chromatic purity: freedom from dilution with white and hence vivid in hue

3. 3

   the process of totally saturating something with a substance

   the impregnation of wood with preservative

   the saturation of cotton with ether

4. 4

   a condition in which a quantity no longer responds to some external influence