English dictionary

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English noun: contraction

1. contraction (act) (physiology) a shortening or tensing of a part or organ (especially of a muscle or muscle fiber)

Synonymsmuscle contraction, muscular contraction

Broader (hypernym)shortening

Narrower (hyponym)Braxton-Hicks contraction, contracture, false labor, tetanus, uterine contraction, vaginismus

Domain categoryphysiology

2. contraction (event) the process or result of becoming smaller or pressed together

SamplesThe contraction of a gas on cooling.

Synonymscompression, condensation

Broader (hypernym)shrinkage, shrinking

Narrower (hyponym)coarctation, constriction

3. contraction (communication) a word formed from two or more words by omitting or combining some sounds

Samples`won't' is a contraction of `will not'.
`o'clock' is a contraction of `of the clock'.

Broader (hypernym)word

4. contraction (act) the act of decreasing (something) in size or volume or quantity or scope

Broader (hypernym)decrease, diminution, reduction, step-down

Antonymsenlargement, expansion

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