Find the word definition

Longman Dictionary of Contemporary English
saturation point
noun
EXAMPLES FROM CORPUS
▪ Air at saturation point is the key to the problem.
▪ Audiences are expected to increase for several years and then level out, as the numbers of multiplexes reach saturation point.
▪ The extra rainfall pushes the Earth beyond saturation point, the water is expelled and an earthquake occurs along with the expulsion.
▪ There seems to be no saturation point.
▪ Therefore, even with oxygen at saturation point, an excess of carbon dioxide may cause suffocation.
▪ This is because joke after joke is tedious and people quickly reach saturation point.
Wiktionary
saturation point

n. the point in time at which saturation is reached

WordNet
saturation point

n. (chemistry) the stage at which a substance will receive no more of another substance in solution or in a vapor

Wikipedia
Saturation Point (album)

Saturation Point is a live album by saxophonist Tim Berne's Bloodcount which was recorded in 1997 and released on Berne's Screwgun label.

Usage examples of "saturation point".

I knew that sooner or later a saturation point would be reached -- I mean the achievement of maximum destructive force.

Black mind-plague enclosures in the very heart of our homeland are steadily approaching saturation point.

By the end of the day, Reuven felt as if his brain were a sponge soaked to the saturation point.

But the storm last night pushed the groundwater to saturation point and beyond.

In 1900 Herbert George Wells pointed out that the saturation point in the size of a city might be mathematically predicted in terms of its transportation facilities.

But there comes a saturation point where none of the fears equals the torture of a deteriorated marriage.

I am fearful that there may be this saturation point of despair just from knowing the heaviness of the truth that you impart.