Longman Dictionary of Contemporary English homepage

saturation point

 noun
     
Related topics: Chemistry
saturation point [countable usually singular]
1 a situation in which no more people or things can be added because there are already too many:
The number of summer tourists in the area has reached saturation point.
2 technicalHC the state that a chemical mixture reaches when it has had as much of a solid substance mixed into it as possible
Definition from the Longman Dictionary of Contemporary English
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