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.
Governors, regulators and consumer advocates are challenging traditional profit guarantees and rate hikes, arguing monopoly utilities are exploiting a ‘broken’ 20th century model while households struggle with affordability. Marc Levy, Los Angeles Times, 17 May 2026 That's the balance regulators have to get right. Kurt Knutsson, FOXNews.com, 17 May 2026 While other operators submitted detailed incident summaries to the US regulator, Tesla blacked out every narrative entirely, labeling them as confidential business information. Bojan Stojkovski, Interesting Engineering, 16 May 2026 This statute, colloquially called Section 230 for its place in the Communications Act, rests on the conceit that, free from the threat of litigation, platforms would do good and attend to user preferences far better than regulators ever could. Olivier Sylvain, Fortune, 16 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 20 May. 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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