correction

noun

1.
the act of offering an improvement to replace a mistake; setting right
berightening righting threal rectification
Derived from:
correct correctional
2.
a quantity that is added or subtracted in order to increase the accuracy of a scientific measure
fudge factor
3.
something substituted for an error
4.
a rebuke for making a mistake
chastening chastisement
5.
a drop in stock market activity or stock prices following a period of increases
6.
the act of disciplining
discipline
Derived from:
correct correctional
7.
treatment of a specific defect