[ reg-yuh-ley-shuhn ]
/ ˌrɛg yəˈleɪ ʃən /



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 forms

non·reg·u·la·tion, nouno·ver·reg·u·la·tion, nounre·reg·u·la·tion, nounsu·per·reg·u·la·tion, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for regulation

British Dictionary definitions for regulation


/ (ˌrɛɡjʊˈleɪʃən) /


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

Medicine definitions for regulation


[ rĕg′yə-lāshən ]


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.