noun
right to dissolve; power of dissolution
Primarily used in political contexts, referring to the authority to dissolve a legislative body such as the Diet.
内閣は衆議院の解散権を持つ。
The Cabinet holds the right to dissolve the House of Representatives.
解散 is the act of dissolution itself; 解散権 is the legal right or authority to carry out that dissolution.
Compound of 解散 (dissolution) and 権 (right, authority).