DICT.TW Dictionary Taiwan

 se·nes·cence /sɪˈnɛsṇ(t)s/
 老朽,衰老

 se·nes·cence /sɪˈnɛsṇ(t)s/ 名詞
 衰老或稱“老化”

 Se·nes·cence n.  The state of growing old; decay by time.
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 senescence
      n 1: the organic process of growing older and showing the effects
           of increasing age [syn: aging, ageing]
      2: the property characteristic of old age [syn: agedness]