degeneration

degeneration
noun
  1. [mass noun]the state or process of being or becoming degenerate; decline or deterioration
    退化过程(状态);恶化;堕落
    overgrazing has caused serious degeneration of grassland.
    过度放牧已经导致了草地严重退化。
    ■(Medicine)deterioration and loss of function in the cells of a tissue or organ
    (医)恶化,变性
    degeneration of the muscle fibres.
    肌肉组织变性。
语源
  1. late 15th cent.: from late Latin degeneratio(n-), from the verb degenerare (see degenerate)
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