re·cru·des·cence /-ˈdɛsṇ(t)s/
  復發,再發作
  re·cru·des·cence /ˌrɪkruˈdɛsṇ(t)s/ 名詞
  (短期後)復發
  Re·cru·des·cence Re·cru·des·cen·cy n.
  1. The state or condition of being recrudescent.
     A recrudescence of barbarism may condemn it [land] to chronic poverty and waste.   --Duke of Argyll.
  2. Med. Increased severity of a disease after temporary remission.
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  recrudescence
       n : a return of something after a period of abatement; "a
           recrudescence of racism"; "a recrudescence of the
           symptoms"