Restriction 761224 213311496 2008-05-18T19:57:00Z Kalathalan 719831 Partial cleanup {{wiktionarypar|restriction}} A '''restriction''' is a specific type of [[wiktionary:rule|rule]] that defines a finite (and generally absolute) boundary defined for a type of [[process]] or function. '''Restriction''' may also refer to: * [[Restriction enzyme]], the restriction of the rule of sensibility of bacteria to phages. * [[Restrictions (album)|''Restrictions'' (album)]], an album by American hard rock band Cactus. In '''mathematics''': * [[Restriction (mathematics)]], a type of function used in the context of sheaves * A [[Function (mathematics)#Restrictions and extensions|restriction of a function]] * A {{ml|Binary_relation|Restriction|restriction of a binary relation}} In '''economics''': * A type of boundary or [[regulation]] placed on the trade of certain goods or services * A condition on the variables in statistics, econometrics, and [[regression analysis]] The adjectival form, "'''restricted'''," may be used in reference to written or unwritten covenants enforcing [[racial segregation|racial or ethnic segregation]] or [[religious segregation]] — frequently [[Anti-semitism|anti-Jewish or more generally anti-Semitic]] — in housing (see "[[Restrictive covenant]]") or in organizations, such as [[country club]]s. {{disambig-cleanup}} [[de:Restriktion]] [[fr:Restriction]]