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.
In early December, the university disclosed the incident, and its parent company filed an 8-K with regulators. Kurt Knutsson, FOXNews.com, 3 Jan. 2026 Congestion concerns grow The rapid growth of satellite constellations has raised alarms among regulators, astronomers, and space safety experts, who warn that unchecked launches could increase collision risks and complicate future space operations. Neetika Walter, Interesting Engineering, 2 Jan. 2026 All but two have active licenses, according to state records, and all active locations were visited by state regulators within the last six months. Nick Lentz, CBS News, 2 Jan. 2026 The state of New York's insurance regulators focus on making payment accommodations, such as grace periods or alternative payment arrangements, when individuals can provide proof of their hardship. Lyssanoel Frater, USA Today, 2 Jan. 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 6 Jan. 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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