What does "saturation point" mean?

The stage at which saturation is reached,; The temperature at which the air becomes saturated and water vapor condenses to form dew.

Saturation point

Common synonyms include: activity, amplitude, artificial radioactivity, bellyful, congestion, contamination.

noun

noun ·Rare ·Advanced level

Noun

1
The stage at which saturation is reached,; The temperature at which the air becomes saturated and water vapor condenses to form dew.
2
(chemistry) the stage at which a substance will receive no more of another substance in solution or in a vapor wordnet
3
The stage at which saturation is reached,; The moment when someone can't take it anymore. figuratively
"I've reached saturation point."