I. ˌ ̷ ̷ ̷ ̷ˈlāshən noun
( -s )
Etymology: regulate + -ion
1. : an act of regulating or the condition of being regulated
the regulation of her mind
business suffering from undue regulation
2.
a. : an authoritative rule or principle dealing with details of procedure ; especially : one intended to promote safety and efficiency (as in a school or factory)
b. : a rule or order having the force of law issued by an executive authority of a government usually under power granted by a constitution or delegated by legislation: as
(1) : a piece of subordinate legislation issued by a British administrative unit under the authority and subject to the veto of parliament — compare provisional order , statutory order
(2) : one issued by the president of the United States or by an authorized subordinate — called also executive order
(3) : an administrative order issued by an executive department or a regulatory commission of the United States government to apply and supplement broad congressional legislative enactments
3. : the percentage variation in some characteristic quantity (as voltage) as a machine or apparatus becomes loaded ; also : the ratio of deviation of such a quantity at rated load to its normal value at no load
4.
a. : redistribution of material (as in an embryo) to restore a damaged or lost part independent of new tissue growth — compare regeneration
b. : the mechanism by which an early embryo maintains essentially normal development in the face of abnormal conditions
c. : determination
Synonyms: see law
II. | ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷ adjective
: prescribed by or being in accord with regulations
the regulation cap of a nurse
broadly : usual , customary
the regulation accompaniments of a Thanksgiving dinner