retrogression

US 
UK [ˌretrəʊ'greʃən]
  • n.倒退;【天】逆行(运动);【生】退化;【化】逆反应
  • Web退步;后退;衰退
n.
1.
后退,倒退,退步,消退,堕落,衰微;【天】逆行(运动);【生】退化;【化】逆反应

Sample Sentence

Definition:
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Source:AllAll,DictionaryDictionary,WebWeb
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