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.
Additionally, Paramount had sowed doubts about Netflix among lawmakers, regulators, Warner investors and ultimately the Warner board. Meg James, Los Angeles Times, 28 Feb. 2026 Paramount Skydance’s proposal for WBD includes a $7 billion reverse termination fee if regulators block the deal. Daniel Arkin, NBC news, 27 Feb. 2026 Protecting Indigenous territories is widely seen as one of the most effective ways to curb deforestation in the Amazon, the world's largest rainforest and a key regulator of global climate. ABC News, 27 Feb. 2026 Other elements of of the deal that could attract interest from regulators include its financing — it is reported to be backed by a number of Middle Eastern wealth funds – along with its impact on news and sports. Max Goldbart, Deadline, 27 Feb. 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 3 Mar. 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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