[ri-strik-shuh-niz-uh m] /rɪˈstrɪk ʃəˌnɪz əm/
a policy, especially by a national government or legislative body, of enacting restrictions on the amount of imported goods, immigration, etc.
noun, Checkers. 1. a limited number of opening moves that are predetermined by their chance selection from an accepted list.
noun, Biochemistry. 1. the place on a DNA molecule where a restriction enzyme acts. restriction site n. A site in a DNA segment in which the bordering bases are vulnerable to restriction enzymes. Also called cleavage site.
- Restriction-site polymorphism
restriction-site polymorphism n. DNA polymorphism in which one of the two nucleotide sequences contains a recognition site for a particular endonuclease but the second lacks such a site.
adjective 1. tending or serving to restrict. 2. of the nature of a restriction. 3. expressing or implying restriction or limitation of application, as terms, expressions, etc. 4. Grammar. limiting the meaning of a modified element: a restrictive adjective. Compare descriptive (def 2b). adjective 1. restricting or tending to restrict 2. (grammar) denoting a relative […]