1.the act of offering an improvement to replace a mistake; setting right
2.a quantity that is added or subtracted in order to increase the accuracy of a scientific measure
3.something substituted for an error
4.a rebuke for making a mistake
5.a drop in stock market activity or stock prices following a period of increases;
market runups are invariably followed by a correction
6.the act of punishing;
the offenders deserved the harsh discipline they received
7.treatment of a specific defect;
the correction of his vision with eye glasses