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English definition of “atrophy”

atrophy

verb [I] uk   /ˈæt.rə.fi/ us  
(of a part of the body) to be reduced in size and therefore strength, or, more generally, to become weaker: After several months in a hospital bed, my leg muscles had atrophied. In the 1980s, their political power gradually atrophied (= became weaker).
atrophy
noun [U] uk   us  
(Definition of atrophy from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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