退化
近义词与同义词
按词义分组列出，使用时请结合具体语境。
process of changing to an inferior state
the state of being degenerate in mental or moral qualities
reduction in size of an organ or part (as in the return of the uterus to normal size after childbirth)
the process of becoming obsolete; falling into disuse or becoming out of date; "a policy of planned obsolescence"
a symptom of reduced quality or strength
基本解释
①在进化过程中，生物体的某一或某些器官全部消失，或部分残留成为痕迹器官的现象。人的阑尾和尾椎骨、海豚和蟒蛇残存的后肢骨，都是痕迹器官。②泛指事物由优变劣，由好变坏，由强变弱他安于享乐，革命意志退化了｜最错误的见解就是误认白话为古文的退化。