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.
State and federal regulators must approve the technical changes before work begins. — Aman Tripathi, Interesting Engineering, 26 Sep. 2026 In other words, these firms believe Dodd-Frank empowered the CFTC to become a regulator of activities that resemble sports betting. — Michael McCann, Sportico.com, 26 Sep. 2026 Living in a shed In recent months, Florida regulators have documented scores of violations at the homes throughout South Florida. — Carol Marbin Miller, Miami Herald, 25 Sep. 2026 Customers, employees, investors, regulators and partners decide who to work with based on trust. — Punit Bhatia, Forbes.com, 25 Sep. 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 29 Sep. 2026.

Medical Definition

regulator

noun
1
: one that regulates
2

Legal Definition

regulator

noun
: one (as a government agency) that regulates
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