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