correction

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The act or process of correcting.
• noun Something offered or substituted for a mistake or fault.
• noun Punishment intended to rehabilitate or improve.
• noun The treatment of offenders through a system of penal incarceration, rehabilitation, probation, and parole, or the administrative system by which these are effectuated.
• noun An amount or quantity added or subtracted in order to correct.
• noun A decline in stock-market activity or prices following a period of increases.

from The Century Dictionary.

• noun The act of correcting, or of bringing into conformity to a standard, model, or original: as, the correction of an arithmetical computation; the correction of a proof-sheet.
• noun The act of noting and pointing out for removal or amendment, as errors, defects, mistakes, or faults of any kind.
• noun The change or amendment indicated or effected; that which is proposed or substituted for what is wrong; an emendation: as, the corrections on a proof.
• noun Correctness.
• noun In mathematics and physics, a subordinate quantity which has to be taken into account and applied in order to insure accuracy, as in the use of an instrument or the solution of a problem.
• noun The act of counteracting or removing whatever is undesirable, inconvenient, or injurious: as, the correction of abuses in connection with the public service; the correction of acidity of the stomach.
• noun In optics, the elimination of spherical or chromatic aberration from an eyepiece or object-glass; also, loosely, the error produced by aberration of the two kinds.
• noun The rectification of faults, or the attempt to rectify them, as in character or conduct, by the use of restraint or punishment; that which corrects; chastisement; discipline; reproof.

from the GNU version of the Collaborative International Dictionary of English.

• noun The act of correcting, or making that right which was wrong; change for the better; amendment; rectification, as of an erroneous statement.
• noun The act of reproving or punishing, or that which is intended to rectify or to cure faults; punishment; discipline; chastisement.
• noun That which is substituted in the place of what is wrong; an emendation.
• noun Abatement of noxious qualities; the counteraction of what is inconvenient or hurtful in its effects.
• noun An allowance made for inaccuracy in an instrument.
• noun (Surv.) a parallel used as a new base line in laying out township in the government lands of the United States. The adoption at certain intervals of a correction line is necessitated by the convergence of of meridians, and the statute requirement that the townships must be squares.
• noun a house where disorderly persons are confined; a bridewell.
• noun subject to correction; admitting the possibility of error.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The act of correcting.
• noun A substitution for an error or mistake.
• noun Punishment that is intended to rehabilitate an offender.
• noun An amount or quantity of something added or subtracted so as to correct.
• noun A decline in a stock market price after a large rise.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a rebuke for making a mistake
• noun the act of offering an improvement to replace a mistake; setting right
• noun a quantity that is added or subtracted in order to increase the accuracy of a scientific measure
• noun treatment of a specific defect
• noun something substituted for an error
• noun a drop in stock market activity or stock prices following a period of increases
• noun the act of punishing