regulator

noun

reg·​u·​la·​tor ˈre-gyə-ˌlā-tər How to pronounce regulator (audio)
 also  ˈrā-
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.
However, secretive and unregulated practices by PBMs, which are heavily consolidated, have led to a chorus of drug manufacturers, pharmacists, and government regulators calling for more oversight. Kate Wolffe, Sacbee.com, 11 Oct. 2025 Theoretically, an executive could bar their entry, but in reality, taking a stand would likely invite further harassment from the antitrust regulator. David Zimmermann, The Washington Examiner, 11 Oct. 2025 In the absence of a clear chain of command and accountability, industry regulators are more likely to impose broad, restrictive, stifling innovation and creating significant compliance burdens. Nelson Lim, Fortune, 10 Oct. 2025 Jessie believes this will change soon, not only due to consumer interest, but because insurers and regulators will push for it. Christopher McFadden, Interesting Engineering, 10 Oct. 2025 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 14 Oct. 2025.

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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!