noun
(uncountable) The act of regulating or the condition of being regulated.
(countable) A law or administrative rule, issued by an organization, used to guide or prescribe the conduct of members of that organization.
(law, often in the plural) A type of law made by the executive branch of a government, usually as authorized by a statute made by the legislative branch giving the executive the authority to do so.
(European Union law) A form of legislative act which is self-effecting, and requires no further intervention by the Member States to become law.
(genetics) Mechanism controlling DNA transcription.
(medicine) Physiological process which consists in maintaining homoeostasis.
adjective
In conformity with applicable rules and regulations.