contraction

noun

con·​trac·​tion kən-ˈtrak-shən 

1

a

: the action or process of contracting

The hot metal undergoes contraction as it cools.

: the state of being contracted

b

: the shortening and thickening of a functioning muscle or muscle fiber

c

: a reduction in business activity or growth

d

: the act of acquiring or incurring (something, such as a debt) or catching (something, such as an infection)

contraction of pneumonia

2

: a shortening of a word, syllable, or word group by omission of a sound or letter

also : a form produced by such shortening

"They'll" is a contraction for "they will."

contractional

kən-ˈtrak-shnəl 

-shə-nᵊl

adjective

contractive

kən-ˈtrak-tiv  ˈkän-ˌtrak- 

adjective

contractionary

kən-ˈtrak-shə-ˌner-ē 

adjective

Synonyms

• compacting
• compaction
• compression
• condensation
• condensing
• constricting
• constriction
• contracting
• squeeze
• squeezing
• telescoping

Examples of contraction in a Sentence

The hot metal undergoes contraction as it cools.

Two teams were eliminated in the contraction of the baseball league.

She felt contractions every two minutes.

Recent Examples on the Web

Note that Norfolk Southern took a $1.2 billion charge in the first half of 2023 related to the Ohio train derailment incident, resulting in operating margin contraction. —Trefis Team, Forbes, 10 Sep. 2024

Then the team was able to observe blood vessels directly in the brain’s surface as well as muscle contractions moving food through the digestive tracts. —Ashley Strickland, CNN, 7 Sep. 2024

By Sophie Neiman Contributor | Goma, Congo Grace Tumaini’s round face twists with the pain of an early contraction. —Sophie Neiman, The Christian Science Monitor, 6 Sep. 2024

The gauge measures the percentage of companies reporting expansion, so anything below 50% represents contraction. —Lim Hui Jie, CNBC, 3 Sep. 2024

Word History

Etymology

see contract entry 1

First Known Use

15th century, in the meaning defined at sense 1a

Video

On Contractions of Multiple Words

You all would not have guessed some of these

Kids Definition

contraction

noun

con·​trac·​tion kən-ˈtrak-shən 

1

a

: the act or process of contracting : the state of being contracted

b

: the shortening and thickening of a working muscle or muscle fiber

2

a

: a shortening of a word, syllable, or word group by leaving out a sound or letter

b

: a form (as don't or they've) produced by such shortening

Medical Definition

contraction

noun

con·​trac·​tion kən-ˈtrak-shən 

1

: the action or process of contracting : the state of being contracted

contraction of hepatitis

lung expansion and contraction in breathing

—P. G. Donohue

2

: the action of a functioning muscle or muscle fiber in which force is generated accompanied especially by shortening and thickening of the muscle or muscle fiber or sometimes by its lengthening

isometric contraction

isotonic contraction

especially : the shortening and thickening of a functioning muscle or muscle fiber

3

: one of usually a series of rhythmic tightening actions of the uterine muscles (as during menstruation or labor)