Expulsion is defined as forcing someone to leave or forcing something out of the body.(noun)
An example of expulsion is when a child is kicked out of school forever and told never ever to return because of his terrible behavior.
See expulsion in Webster's New World College Dictionary
Origin: ME expulsioun < OFr expulsion < L expulsio < expulsus, pp. of expellere
See expulsion in American Heritage Dictionary 4
Origin: Middle English expulsioun
Origin: , from Old French expulsion
Origin: , from Latin expulsiō, expulsiōn-
Origin: , from expulsus
Origin: , past participle of expellere, to expel; see expel.
Learn more about expulsion