saturation
/ˌsætʃəˈreɪʃən/noun
mass noun
1- the state or process that occurs when no more of something can be absorbed, combined with, or added饱和（状态）。
1.1
- Chemistry the degree or extent to which something is dissolved or absorbed compared with the maximum possible, usually expressed as a percentage【化】饱和状态, 饱和作用, 饱和程度。
1.2
- as modifier to a very full extent, especially beyond the point regarded as necessary or desirable饱和的, 过度的：
saturation bombing.
饱和轰炸。
1.3
- （亦作colour saturation）(especially in photography) the intensity of a colour, expressed as the degree to which it differs from white（尤指照相的）色饱和度。