(logic) A disjunction which is true if only one, but not both, of its disjuncts is true.

plural of exclusion zone

plural of self-exclusion

The banning of a customer from a casino or betting shop at the customer's own request, used to combat gambling addiction.

(biology) The principle that states that two species who are very similar, and compete for the same resources, cannot coexist indefinitely, as the one with the slight advantage will outperform the other and eventually drive it into extinction.

plural of competitive exclusion

(US, law, uncountable) The legal requirement that under specified circumstances, a juvenile be tried as an adult, without the possibility of judicial discretion.

plural of statutory exclusion

plural of exclusive-or

plural of exclusive disjunction