ほうかい

崩壊

表記・読み：崩潰・ほうかい

1. 1

   collapse; crumbling; breaking down; caving in

   名詞noun or participle which takes the aux. verb suru自動詞
2. 2

   (radioactive) decay; disintegration

   名詞noun or participle which takes the aux. verb suru自動詞physics