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 broader question the map raises is how communities, regulators, and companies will weigh the economic promise of AI infrastructure against its demands on water, power, and public trust. Sandy Carter, Forbes.com, 31 May 2026 A smoke shop in Denver and another in Fort Collins were both ordered to cease operations this month by city and state regulators. Logan Smith, CBS News, 31 May 2026 That regulator fined Staley more than $2 million and permanently banned him from holding a management role in the sector in 2023. Dan Mangan, CNBC, 31 May 2026 The safety regulator has flagged a defect that could trigger the unintentional deployment of airbags. Francie Ebert, NBC news, 31 May 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 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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