1. (

• impregnation ,
• saturation

) the process of totally saturating something with a substance; "the impregnation of wood with preservative"; "the saturation of cotton with ether" ;

2. (

• saturation

) the act of soaking thoroughly with a liquid ;

3. (

• saturation

) a condition in which a quantity no longer responds to some external influence ;

4. (

• saturation ,
• chroma ,
• intensity ,
• vividness

) chromatic purity: freedom from dilution with white and hence vivid in hue ;