Restriction
# Restriction

Restriction, restrict or restrictor may refer to:

## Science and technology

* restrict, a keyword in the C programming language used in pointer declarations
* Restriction enzyme, a type of enzyme that cleaves genetic material

### Mathematics and logic

* Restriction, a term in medieval supposition theory
* Restriction (mathematics), an aspect of a mathematical function
* Inflation-restriction exact sequence in mathematics

## Other uses

* Censorship
* RESTRICT Act, a proposal to combat technology deemed to undermine the United States
* Restrictor (linguistics), a word or morpheme that specifies the meaning of a quantifier; see Polarity item
