correction

noun

cor·​rec·​tion kə-ˈrek-shən 

1

: the action or an instance of correcting: such 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 plural

correctional

kə-ˈrek-sh(ə-)nəl 

adjective

Synonyms of correction

• amendment

Examples of correction in a Sentence

The teacher marked corrections on his students' tests.

Please make corrections before handing in your compositions.

the correction of your mistakes

people in need of vision correction

Recent Examples on the Web

Fault-tolerant machines require extensive error correction, which adds more hardware and control requirements. — Aamir Khollam, Interesting Engineering, 9 Sep. 2026

That's backed by continuous star drift correction and a precision drive. — New Atlas, 9 Sep. 2026

However, data show that when AI is highly capable, doctors add more errors and false corrections than beneficial insights. — Abe Baker-Butler, STAT, 9 Sep. 2026

Grammar correction and spreadsheet population errors are easy to notice, cheap to correct and usually cheap even if not corrected. — Fernando Fainzilber, Forbes.com, 8 Sep. 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1

Phrases Containing correction

• correction fluid
• house of correction

Rhymes for correction

• abjection
• advection
• affection
• bijection
• bisection
• collection
• complexion
• confection
• connection
• connexion
• convection
• defection

Kids Definition

correction

noun

cor·​rec·​tion kə-ˈrek-shən 

1

: the action or an instance of correcting

2

: a change that makes something right

3

: punishment intended to correct faults of character or behavior

correctional

-shnəl 

-shən-ᵊl

adjective

Medical Definition

correction

noun

cor·​rec·​tion kə-ˈrek-shən 

: the action or an instance of correcting or neutralizing a harmful or undesirable condition

correction of acidity

correction of visual defects with glasses

Legal Definition

correction

noun

cor·​rec·​tion

1

: a decline in market price or business activity following and counteracting a rise

2

: the treatment and rehabilitation of offenders through a program involving penal custody, parole, and probation

—often used in pl.

correctional adjective