reg·​u·​la·​tor | \ ˈre-gyə-ˌlā-tər How to pronounce regulator (audio) also ˈrā- \

Definition of regulator

1 : one that regulates

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Synonyms for regulator


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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 On Tuesday, AstraZeneca and Oxford University, which developed the vaccine, paused a study of the shot in children while the U.K. regulator evaluates the link between the shot and rare blood clots in adults. Maria Cheng, Anchorage Daily News, "EU drug regulator finds ‘possible link’ between AstraZeneca vaccine and rare clots but says benefits still outweigh risks," 7 Apr. 2021 The move came despite a last-ditch attempt by SoftBank Group Corp. , Greensill’s largest external investor, to intervene directly with the regulator. Duncan Mavin, WSJ, "Greensill and Gupta’s Intertwined Empires Had for Years Raised Concerns Internally," 3 Apr. 2021 Chief Cabinet Secretary Katsunobu Kato said the government will monitor the situation while sharing information with the regulator. Fortune, "The Bill Hwang-Archegos debacle ends Nomura CEO’s ‘remarkable’ turnaround effort," 31 Mar. 2021 Through it all, the top E.U. regulator has been consistent: The shot is safe for everybody. Washington Post, "AstraZeneca, once touted as a pandemic slayer, faces challenges," 21 Mar. 2021 According to Variety, U.K. media regulator Ofcom launched an investigation after more than 41,000 people wrote in to complain about Morgan's remarks on Tuesday. Eric Todisco,, "Alex Beresford Didn't Want Piers Morgan to Quit Good Morning Britain: I Wanted Him to 'Listen'," 11 Mar. 2021 Morgan quit the popular morning news program on Tuesday shortly after U.K. media regulator Ofcom opened an investigation into his comments on Monday’s episode. Manori Ravindran,, "Report: Meghan Markle complained to ITV over Piers Morgan’s comments on suicide revelations," 10 Mar. 2021 The Spring Drive caliber is a hybrid: a mechanical movement combined with an electronic regulator to deliver of level of precision that no mechanical watch can match. Carol Besler, Forbes, "Grand Seiko’s 2021 Collection Delivers Elite Movements And High Watchmaking Craftsmanship," 24 Feb. 2021 The regulator has already said there is no evidence of a link between the AstraZeneca shots and clots. Tara John, CNN, "Covid-19 reinfections are rare, unless you are over 65," 18 Mar. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'regulator.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of regulator

1648, in the meaning defined at sense 1

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Time Traveler for regulator

Time Traveler

The first known use of regulator was in 1648

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Statistics for regulator

Last Updated

10 Apr 2021

Cite this Entry

“Regulator.” Dictionary, Merriam-Webster, Accessed 20 Apr. 2021.

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More Definitions for regulator



English Language Learners Definition of regulator

: a device for controlling the level or amount of something (such as speed or temperature)
: an official who works for the part of the government that controls a public activity (such as banking or insurance) by making and enforcing rules


reg·​u·​la·​tor | \ ˈreg-yə-ˌlāt-ər How to pronounce regulator (audio) \

Medical Definition of regulator

1 : one that regulates


reg·​u·​la·​tor | \ ˈre-gyə-ˌlā-tər How to pronounce regulator (audio) \

Legal Definition of regulator

: one (as a government agency) that regulates

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