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.
The federal consumer regulator narrowed its rules effective July. Dara-Abasi Ita, Forbes.com, 14 June 2026 At least 233 people have been sickened in eight outbreaks that federal and state regulators have connected to McAfee’s farm since 2006, and at least 40 of them have been hospitalized. CNN Money, 14 June 2026 Still, Ozempic and gastroparesis turn up together often enough that researchers, regulators, and the drug’s maker are paying attention. Ryan Brennan, Charlotte Observer, 13 June 2026 The vote comes amid concerns over President Trump's controversial pick of federal housing finance regulator Bill Pulte to serve as acting director of national intelligence. CBS News, 5 June 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 18 Jun. 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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