the state of being saturated or the action of saturating:the springs on the left slope of the hill lie below the level of permanent saturation
Chemistry the degree or extent to which something is dissolved or absorbed compared with the maximum possible, usually expressed as a percentage:this mixture should give a reading of 45 to 50 per cent saturation
[as modifier] to a very full extent, especially beyond the point regarded as necessary or desirable:the press provided saturation coverage of the hearings
(also colour saturation) (especially in photography) the intensity of a colour, expressed as the degree to which it differs from white.
saturation in other Oxford dictionaries
Definition of saturation in the US English dictionary