say it: ik-SPUHL-shuhn
expulsion is a noun meaning "the act of forcing out someone or something". It carries 3 recorded senses.
the act of forcing out someone or something
“the ejection of troublemakers by the police”
“the child's expulsion from school”
the act of expelling or projecting or ejecting
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for expulsion come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.