expulsion

(noun) the act of forcing out someone or something. Synonyms: ejection, exclusion, riddance. Examples: "The ejection of troublemakers by the police." "The child's expulsion from school."

(noun) squeezing out by applying pressure. Synonyms: extrusion. Examples: "An unexpected extrusion of toothpaste from the bottom of the tube." "The expulsion of pus from the pimple."

(noun) the act of expelling or projecting or ejecting. Synonyms: projection, ejection, forcing out.