Topic: GRAMMAR
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con‧trac‧tion

1 [countable]MB medical a very strong and painful movement of a muscle, especially the muscles around the womb during birth
2 [uncountable] the process of becoming smaller or narrower :
the contraction of metal as it cools
the contraction of metal as it cools3 [countable]SLG a shorter form of a word or words :
'Haven't' is a contraction of 'have not'.
'Haven't' is a contraction of 'have not'.