'Saturation' definitions:

Definition of 'saturation'

(from WordNet)
noun
The process of totally saturating something with a substance; "the impregnation of wood with preservative"; "the saturation of cotton with ether" [syn: impregnation, saturation]
noun
The act of soaking thoroughly with a liquid
noun
A condition in which a quantity no longer responds to some external influence
noun
Chromatic purity: freedom from dilution with white and hence vivid in hue [syn: saturation, chroma, intensity, vividness]

Definition of 'Saturation'

From: GCIDE
  • Saturation \Sat`u*ra"tion\, n. [L. saturatio: cf. F. saturation.]
  • 1. The act of saturating, or the state of being saturating; complete penetration or impregnation. [1913 Webster]
  • 2. (Chem.) The act, process, or result of saturating a substance, or of combining it to its fullest extent. [1913 Webster]
  • 3. (Optics) Freedom from mixture or dilution with white; purity; -- said of colors. [1913 Webster]
  • Note: The degree of saturation of a color is its relative purity, or freedom from admixture with white. [1913 Webster]