Dissolution
Breakup, Breaking Up
noun, verbal noun
Untie and scatter everything. This will cause the dissolution the breakup, and indeed the breaking up of whatever is being untied then scattered.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
私達にとって、衆議院を解散するメリットとデメリットは何ですか？
What are the advantages and disadvantages of dissolving the House of Representatives?
みんな、応援ありがとう！今日でトーフグバンドは解散するけど、みんなとライブで作った思い出は一生大切にするから！
Thanks for the support, everyone! The Tofugu band is breaking up today, but I will forever cherish the memories I made with you guys at the show!
トイレにこもっているうちに飲み会は解散しちまったぜ。
The drinking party broke up while you stuck in the bathroom.