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 curse of scale is hardly a fear of Coplan, a 27-year-old New York University dropout who traded cryptocurrencies as a teenager and launched Polymarket without the blessing of any regulators. Bobby Allyn, NPR, 6 Mar. 2026 While state statute only allows for fines of $500 per violation per day, regulators didn’t feel a $500 or $1,000 fine adequately addressed the violation, Zach Hope, Division of Oil and Public Safety spokesperson, said Friday. Elise Schmelzer, Denver Post, 6 Mar. 2026 Newsom told regulators in 2021 to stop issuing fracking permits and phase out oil extraction by 2045. Iris Kwok, Los Angeles Times, 6 Mar. 2026 The Disney-Fox merger cleared the Justice Department and other regulators with relative ease, as some analysts pointed to the ability of the companies to point to a competitive landscape that also included Netflix and Amazon. Ted Johnson, Deadline, 6 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 10 Mar. 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

More from Merriam-Webster on regulator

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