expulsion
/ɪkˈspʌlʃən/noun
mass noun
1- the action of depriving someone of membership of an organization开除; 除名：
expulsion from the union
从工会的除名
count noun a rise in the number of pupil expulsions.被开除学生人数的增加。
1.1
- the process of forcing someone to leave a place, especially a country逐出; 驱逐（尤指驱逐出境）：
the most brutal chapter of the expulsion of Jews from Berlin.
犹太人被逐出柏林的最残忍的时期。
1.2
- the process of forcing something out of the body（从体内的）排出, 呼出。
派生词
expulsive
adjective词源
late Middle English: from Latin expulsio（n-）, from expellere 'drive out' （see EXPEL）.