noun
: the point at which saturation is reached: as
a.
(1) : the limit of response to desire or stimulus
killing … reaches a saturation point when the hunter ceases to want to hunt — Nature Magazine
the boy has reached the saturation point and does not respond to the training school program any longer — Erwin Schepses
(2) : the maximum level of provocation or of injurious effect
the mother … reached a saturation point with the screaming child — Jessie Chamberlin
a person has … reached the saturation point of aging between 70 and 80 and, from there on, he will age only very slowly — Martin Gumpert
b. : a limit of acceptance
imigration … has not reached a saturation point — D.D.McKean
specifically : the point in a flow of goods or money at which the market will take no more except at a decrease in price
houses will be built until the saturation point is reached — Brendon Shea
c. : the maximum degree of impregnation ; specifically : dew point
d. : the maximum number of a kind of organism that can be carried on a particular range under optimum conditions — compare carrying capacity