saturation point: Meaning and Definition of

satura'tion point"

Pronunciation: [key]
  1. the point at which a substance will receive no more of another substance in solution, chemical combination, etc.
  2. a point at which some capacity is at its fullest; limit: After a while she reached the saturation point and could absorb nothing more from the lectures.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.