regulation, in government, a rule or mechanism that limits, steers, or otherwise controls social behaviour. Regulation has a variety of meanings that are not reducible to a single concept., REGULATION definition: 1. an official rule: 2. the act of controlling something: 3. according to the rules or the usual…. Learn more., Regulation is the controlling of an activity or process, usually by means of rules. Social services also have responsibility for the regulation of nurseries. Some in the market now want government regulation in order to reduce costs., Definition of regulation noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more., A regulation is a rule made and maintained by an authority , typically a governmental agency , to control or govern conduct within its jurisdiction . Governmental administrative agencies have specific authority to regulate conduct within their areas of responsibility., .