- the act or process of regulating
- a rule, principle, or condition that governs procedure or behaviour
- (modifier) as required by official rules or procedure: regulation uniform
- (modifier) normal; usual; conforming to accepted standards: a regulation haircut
WordReference Random House Learner's Dictionary of American English © 2019
- [countable] a law, rule, or other order given by authority, esp. to regulate conduct.
- the act of regulating or the state of being regulated:[uncountable]strict regulation of the number of cars entering the country.
adj. [usually: before a noun]
- ordered by or agreeing with regulation:regulation army equipment.
- a law, rule, or other order prescribed by authority, esp. to regulate conduct.
- the act of regulating or the state of being regulated.
- Mechanical Engineering[Mach.]the percentage difference in some quantity related to the operation of an apparatus or machine, as the voltage output of a transformer or the speed of a motor, between the value of the quantity at no-load operation and its value at full-load operation.
- Electronicsthe difference between maximum and minimum voltage drops between the anode and the cathode of a gas tube for a specified range of values of the anode current.
- Sportthe normal, prescribed duration of a game according to the sport's regulations, exclusive of any extra innings, overtime period, etc.:The Knicks tied the score in the final seconds of regulation, sending the game into overtime.
- prescribed by or conforming to regulation:regulation army equipment.
customary:the regulation decorations for a Halloween party.
- regulate + -ion 1665–75
- 2.See corresponding entry in Unabridged direction, management, control, disposition, adjustment.