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Webster 1913 Edition

Saturation

Satˊu-ra′tion

,
Noun.
[L.
saturatio
: cf. F.
saturation
.]
1.
The act of saturating, or the state of being saturating; complete penetration or impregnation.
2.
(Chem.)
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 colors.
☞ The degree of saturation of a color is its relative purity, or freedom from admixture with white.

Webster 1828 Edition

Saturation

SATURA'TION

,
Noun.
In a general sense, a filling or supply to fullness. In chimistry, the union, combination or impregnation of one body with another by natural attraction, affinity or mixture, till the receiving body can contain no more; or solution continued till the solvent can contain no more. The saturation of an alkali by an acid, is by affinity; the saturation of water by salt, is by solution.

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