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.
Still, experts say the penalties available to regulators are limited. ABC News, 19 Sep. 2026 His company argued in a May lawsuit against licenses issued by the regulator NMDPRA that fuel imports undermine the refinery’s investment and make the domestic market inefficient. Alexander Onukwue, semafor.com, 18 Sep. 2026 Federal regulators already treat it differently from many other digital assets, and the legislation was principally intended to create a broader framework governing how cryptocurrencies are issued, sold and regulated. Orlando Sentinel, The Orlando Sentinel, 18 Sep. 2026 With technology advancing quickly, regulators are trying to keep up while also facing pressure not to stifle innovation. Dakota Smith, Los Angeles Times, 18 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 21 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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