/ ɪkˈskluːʒn; NAmE / noun
1.
[ U ] exclusion (of sb/sth) (from sth) the act of preventing sb/sth from entering a place or taking part in sth :
He was disappointed with his exclusion from the England squad.
Exclusion of air creates a vacuum in the bottle.
Memories of the past filled her mind to the exclusion of all else.
2.
[ C ] a person or thing that is not included in sth :
Check the list of exclusions in the insurance policy.
3.
[ U ] exclusion (of sth) the act of deciding that sth is not possible :
the exclusion of robbery as a motive
4.
[ U , C ] ( BrE ) a situation in which a child is banned from attending school because of bad behaviour :
the exclusion of disruptive students from school
Two exclusions from one school in the same week is unusual.
OPP inclusion
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WORD ORIGIN
late Middle English : from Latin exclusio(n-) , from excludere shut out, from ex- out + claudere to shut.