secede
/sɪˈsiːd/verb
no obj.
- withdraw formally from membership of a federal union, an alliance, or a political or religious organization正式退出, 脱离：
the kingdom of Belgium seceded from the Netherlands in 1830.
比利时王国于1830年正式退出尼德兰。
派生词
seceder
noun词源
early 18th cent.: from Latin secedere, from se- 'apart' + cedere 'go'.