1516280 jmdict A [id=2197504] 崩壊[ichi1,news1,nf02];崩潰[rK] ほうかい[ichi1,news1,nf02] [1][n,vs,vi] collapse; crumbling; breaking down; caving in [2][n,vs,vi][fld=physics] (radioactive) decay; disintegration