n.瓦解;【物】衰变
This defeat led to the disintegration of the empire. 这次战败道致了帝国的瓦解。
The whole social fabric was threatened with disintegration. 整个社会结构有瓦解的危险。
During the disintegration energy is released from the nucleus. 在衰变时由原子核释放出能量。