▪ the process in which a muscle becomes or is made shorter and tighter: "neurons control the contraction of muscles"SimilartighteningtensingflexingconstrictingspasmconvulsionclenchmyoclonushippusOppositerelaxation
▪ a shortening of the uterine muscles occurring at intervals before and during childbirth: "she was now in no doubt that she was having contractions"Similarlabour painslabourBraxton Hicks contractionscrampsarchaic:travail
▪ the process of shortening a word by combination or elision.
▪ a word or group of words resulting from shortening an original form:"‘goodbye’ is a contraction of ‘God be with you’"Similarabbreviationshort formshortened formelisiondiminutivetechnical:crasissyneresisOppositeexpansion
Word Originlate Middle English: via Old French from Latin contractio(n-), from contrahere ‘draw together’ (see contract).