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.
One law created new oversight, requiring oil companies to open their books and giving regulators more visibility into refinery profits and operations. Richard Ramos, CBS News, 3 Apr. 2026 The bank helped Epstein avoid scrutiny from financial regulators while profiting from his business, according to Doe and her lawyers. Chase Jordan april 3, Charlotte Observer, 3 Apr. 2026 The idea is that if a firm is trying to certify an event contract that simply enables speculation — without otherwise serving the public interest — regulators will step in. Kelli María Korducki, thehustle.co, 3 Apr. 2026 Now called The Palms — records show the home changed ownership both in 2018 and 2019 — the ALF has been cited by health regulators for 90 violations since 2012. Carol Marbin Miller, Miami Herald, 2 Apr. 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 5 Apr. 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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