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 For example, one regulator of metabolism is the thyroid gland, located at the front of the neck just below the Adam’s apple. Terezie Tolar-peterson, The Conversation, "Whether slow or fast, here’s how your metabolism influences how many calories you burn each day," 28 Dec. 2020 China is said to have separately set up a joint task force to oversee Ant, led by the Financial Stability and Development Committee, a financial system regulator, along with various departments of the central bank and other regulators. Time, "China Targets Jack Ma's Alibaba With Monopoly Investigation," 24 Dec. 2020 Despite writing to the local antitrust regulator asking it not to approve the takeover by Reliance until arbitration proceedings are complete, the agency approved the transaction on Nov 20. Upmanyu Trivedi,, "Amazon Can Ask Regulators to Block Deal With India’s Future Group, Court Says," 21 Dec. 2020 The breaches took place between August 2017 and April 2019, when the company changed its business model, and the money of its clients swept across from CSUK to its affiliate Charles Schwab & Co., based in the U.S., according to the regulator. Sabela Ojea, WSJ, "U.K. Regulator Fines Charles Schwab Unit $12.1 Million Over Client Assets," 21 Dec. 2020 The regulator said that Robinhood charged inferior trade prices that, in aggregate, deprived customers of $34.1 million even after taking into account the savings from not paying a commission. Chris Isidore, CNN, "Robinhood agrees to pay a $65 million fine for deceiving clients," 17 Dec. 2020 But on Thursday, Biden picked Michael Regan, a state regulator in North Carolina, to head the EPA. Dakota Smith, Los Angeles Times, "Garcetti plans to remain in office and says his daughter, 9, has coronavirus," 17 Dec. 2020 The companies will still need to submit follow-up data to the EU regulator and the approval will need to be renewed after one year. Fox News, "Why is the EU taking so long to OK vaccine?," 16 Dec. 2020 British supporters of the speedy authorization disagreed, pointing to the U.K. regulator’s reputation as a quick but rigorous institution. Washington Post, "U.K. coronavirus vaccine authorization prompts grumbling by countries taking slower approach," 2 Dec. 2020

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

16 Jan 2021

Cite this Entry

“Regulator.” Dictionary, Merriam-Webster, Accessed 16 Jan. 2021.

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More Definitions for regulator


How to pronounce regulator (audio)

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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