Main Entry: cor·rec·tion

Pronunciation: \kə-ˈrek-shən\

Function: noun

Date: 14th century

1 : the action or an instance of correcting: as a : amendment, rectification b : rebuke, punishment c : a bringing into conformity with a standard d : neutralization, counteraction <correction of acidity>
2 : a decline in market price or business activity following and counteracting a rise
3 a : something substituted in place of what is wrong <marking corrections on the students' papers> b : a quantity applied by way of correcting (as for adjustment of an instrument)
4 : the treatment and rehabilitation of offenders through a program involving penal custody, parole, and probation; also : the administration of such treatment as a matter of public policy —usually used in plural

— cor·rec·tion·al \-shnəl, -shə-n^əl\ adjective