noun
dissolution of the lower house of parliament
Specifically refers to the dissolution of the House of Representatives (衆議院) in Japan's National Diet. Used in political news contexts.
See also: 衆議院解散 (しゅうぎいんかいさん)
首相は衆院解散を決断した。
The prime minister decided to dissolve the lower house.
衆院
The timing of the lower house dissolution is attracting attention.