Wiktionary
n. A gradual decrease in effectiveness.
Wikipedia
The plateau effect is a force of nature that lessens the effectiveness of once effective measures over time. The plateau effect is a state that is experienced when the human body fails to respond to exercise that has proven effective in the past, similar to the concept of diminishing returns. A person enters into a period where there is no improvement or a decrease in performance.
Usage examples of "plateau effect".
This interesting plateau effect has appeared with varying volume of solvent for ail varieties of solvents used in these laboratories, just as in all cases the time of solution approaches zero with decreasing volume of solvent.
This interesting plateau effect has appeared with varying volume of solvent for all varieties of solvents used in these laboratories, just as in all cases the time of solution approaches zero with decreasing volume of solvent.