regulator

noun

reg·​u·​la·​tor ˈre-gyə-ˌlā-tər How to pronounce regulator (audio)
also ˈrā-
Synonyms of regulatornext
1
: one that regulates
2

Examples of regulator in a Sentence

the voltage regulator will make sure your car's alternator gets the right amount of electricity
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
For years, state regulators had asked the Sheriff’s Office to stop triple-bunking people, a practice the department acknowledged was dangerous. Kelly Davis, San Diego Union-Tribune, 27 Mar. 2026 Western regulators could, in other words, keep them off the European market by requiring licenses that Ukrainian firms might find hard to get. Simon Shuster, The Atlantic, 27 Mar. 2026 The drug, which is designed to stimulate the activity of a metabolic enzyme called LDH in hair-follicle stem cells, still has further, bigger trials and safety tests to get through before it can be approved by regulators. The Week Uk, TheWeek, 27 Mar. 2026 Or worse, that regulators cut funding as a result of fears over fraudulent activity. Jess Huff, Los Angeles Times, 27 Mar. 2026 See All Example Sentences for regulator

Word History

First Known Use

1648, in the meaning defined at sense 1

Time Traveler
The first known use of regulator was in 1648

Cite this Entry

“Regulator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/regulator. Accessed 2 Apr. 2026.

Medical Definition

regulator

noun
reg·​u·​la·​tor ˈreg-yə-ˌlāt-ər How to pronounce regulator (audio)
1
: one that regulates
2

Legal Definition

regulator

noun
reg·​u·​la·​tor ˈre-gyə-ˌlā-tər How to pronounce regulator (audio)
: one (as a government agency) that regulates

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