See Also: restriction(dictionary)
restriction map(medicine)
restriction(dictionary)
MHC restriction(medicine)
MHC restriction(health)
Restriction(medicine)
restriction mapping(medicine)
restriction methylation(medicine)
restriction nuclease(medicine)
restriction site(medicine)

restriction (iou)



restriction noun. LME.
[Old French, or Latin restrictio(n-), formed as RESTRICTED: see -ION.]
A thing which restricts someone or something, a limitation on action, a limiting condition or regulation. LME.
Constriction, compression, contraction. Formerly also, constipation. Now rare. L15.
The action or fact of limiting or restricting someone or something. M16.
b. spec. Deliberate limitation of industrial output. L19.
Logic. = SUBALTERNATION 3. M16.
More fully mental restriction. A tacitly introduced reservation. L17.
Biology. Limitation of the rate of reproduction of a virus in certain hosts, owing to the destruction of viral DNA by a restriction enzyme. M20.
Comb.: restriction endonuclease, restriction enzyme Biochemistry an enzyme which divides DNA molecules at or close to a specific short sequence of nucleotides; restriction fragment Biochemistry a fragment of a DNA molecule that has been cleaved by a restriction enzyme; restriction fragment length polymorphism (Genetics) a variation in the length of restriction fragments produced by a given restriction enzyme in a sample of DNA, used in forensic investigations and to map hereditary disease.
restrictionism noun the policy of restricting some practice, institution, etc. M20.
restrictionist noun & adjective (a) noun an advocate of restrictionism; (b) adjective of or pertaining to restrictionism or restrictionists: E19.