ex·pul·sion /-ˈspəlʃən/ 名詞
1. The act of expelling; a driving or forcing out; summary removal from membership, association, etc.
The expulsion of the Tarquins. --Shak.
2. The state of being expelled or driven out.
n 1: the act of forcing out someone or something; "the ejection
of troublemakers by the police"; "the child's expulsion
from school" [syn: ejection, exclusion, riddance]
2: squeezing out by applying pressure; "an unexpected extrusion
of toothpaste from the bottom of the tube"; "the expulsion
of pus from the pimple" [syn: extrusion]
3: the act of expelling or projecting or ejecting [syn: projection,
ejection, forcing out]