[ sach-uh-rey-shuh n ]
/ ˌsætʃ əˈreɪ ʃən /


the act or process of saturating.
the state of being saturated.
Meteorology. a condition in the atmosphere corresponding to 100 percent relative humidity.
the degree of chroma or purity of a color; the degree of freedom from admixture with white.
Magnetism. the state of maximum magnetization of a ferromagnetic material.

Origin of saturation

1545–55; < Late Latin saturātiōn- (stem of saturātiō) a filling, equivalent to saturāt(us) (see saturate) + -iōn- -ion


de·sat·u·ra·tion, noun non·sat·u·ra·tion, noun o·ver·sat·u·ra·tion, noun sub·sat·u·ra·tion, noun

Example sentences from the Web for saturation

British Dictionary definitions for saturation

/ (ˌsætʃəˈreɪʃən) /



denoting the maximum possible intensity of coverage of an area saturation bombing; a saturation release of a film

Medical definitions for saturation

[ săch′ə-rāshən ]


The act or process of saturating.
The condition of being saturated.
The condition of being full to or beyond satisfaction; satiety.
Filling of all the available sites on an enzyme molecule by its substrate, or on a hemoglobin molecule by molecular oxygen or carbon monoxide.
In optics, the degree which colors of the same wavelength are differentiated from one another on the basis of purity which correlates with the amount of white present, such as red from pink.

Scientific definitions for saturation

[ săch′ə-rāshən ]

The state of a physical system, such as a solution, containing as much of another substance, such as a solute, as is possible at a given temperature or pressure.
The vividness of a color's hue. Saturation measures the degree to which a color differs from a gray of the same darkness or lightness. Compare hue value.
The state of being a saturated organic compound. See more at saturated.