1. The act of saturating, or the state of being saturating; complete penetration or impregnation.

2. <chemistry> The act, process, or result of saturating a substance, or of combining it to its fullest extent.

3. <optics> Freedom from mixture or dilution with white; purity; said of colours.

The degree of saturation of a colour is its relative purity, or freedom from admixture with white.

Origin: L. Saturatio: cf. F. Saturation.

(01 Mar 1998)