1
noun (common) (futsuumeishi)
glacial lake outburst flood
1
noun (common) (futsuumeishi)noun or participle which takes the aux. verb surutransitive verbintransitive verb
burst (e.g. dam, embankment, levee);breach;collapse;washout;rupture
大雨のためにダムが決壊した。
The dam burst owing to the heavy rain.
Other forms
決潰 【けっかい】 (rarely used kanji form)