[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
late 15th cent.: from late Latin degeneratio(n-), from the verb degenerare (see degenerate)