n, pl  -phies  :  decrease in size or wasting away of a body part or tissue : also  :  arrested development or loss of a part or organ incidental to the normal development or life of an animal or plant
, vb, -phied  -phy*ing vi  :  to undergo atrophy <the inactive muscles atrophied>  vt  :  to cause to undergo atrophy <disuse atrophied the arm>  .
 
 
 
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