prescribed by or conforming to regulation: regulation army equipment.
usual; normal; customary: the regulation decorations for a Halloween party.

Origin of regulation

First recorded in 1665–75; regulate + -ion
Related formsnon·reg·u·la·tion, nouno·ver·reg·u·la·tion, nounre·reg·u·la·tion, nounsu·per·reg·u·la·tion, noun

Synonyms for regulation Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for regulation

Contemporary Examples of regulation

Historical Examples of regulation

British Dictionary definitions for regulation



the act or process of regulating
a rule, principle, or condition that governs procedure or behaviour
a governmental or ministerial order having the force of law
embryol the ability of an animal embryo to develop normally after its structure has been altered or damaged in some way
(modifier) as required by official rules or procedureregulation uniform
(modifier) normal; usual; conforming to accepted standardsa regulation haircut
electrical engineering the change in voltage occurring when a load is connected across a power supply, caused by internal resistance (for direct current) or internal impedance (alternating current)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for regulation

1670s, "act of regulating; state of being reduced to order," noun of action from regulate. Meaning "rule for management" is from 1715. Related: Regulations.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for regulation




The act of regulating or the state of being regulated.
A principle, rule, or law designed to control or govern conduct.
A governmental order having the force of law.
The capacity of an embryo to continue normal development following injury to or alteration of a structure.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Culture definitions for regulation


Laws through which governments can control privately owned businesses.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.