The act of restricting, or the state of being restricted. / A regulation or limitation that restricts. / (biology) The mechanism by which a cell degrades foreign DNA material.

plural of restriction

To restrain within boundaries; to limit; to confine / (specifically, mathematics) To consider (a function) as defined on a subset of its original domain.

(obsolete) Restricted.

simple past tense and past participle of restrict

Limited within bounds. / Available only to certain authorized groups of people. / (US, historical) Only available to customers who do not belong to racial, ethnic or religious minorities.

Confining, limiting, containing within defined bounds. / (Of clothing) limiting free and easy bodily movement.

(grammar) A clause that narrows the meaning of a noun or noun phrase.

present participle of restrict

Serving to restrict.