regulator

noun

reg·​u·​la·​tor ˈre-gyə-ˌlā-tər 

also ˈrā-

1

: one that regulates

2

: regulatory gene

Synonyms of regulator

• controller
• control

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

California energy regulators have approved new restrictions on replacement tires that vehicle owners can buy, saying that the rules will protect the environment and save money in the long run. — Tom Wait, CBS News, 19 Aug. 2026

The company said its background includes nuclear licensing and work alongside independent regulators. — Aamir Khollam, Interesting Engineering, 19 Aug. 2026

The lawsuits by the states and the WGA are the final obstacle to closing, after regulators in Mexico cleared the merger, leaving . — Todd Spangler, Variety, 18 Aug. 2026

The unanimous rule follows decades of delays and intense lobbying, with regulators easing rules for long-life and wet-grip tires as major manufacturers split over cost, enforcement and consumer choice. — Blanca Begert, Los Angeles Times, 18 Aug. 2026

Word History

First Known Use

1648, in the meaning defined at sense 1

Phrases Containing regulator

• growth regulator
• regulator gene

Rhymes for regulator

• activator
• actuator
• agitator
• alligator
• allocator
• alternator
• animator
• annotator
• applicator
• arbitrator
• aspirator
• aviator

Medical Definition

regulator

noun

reg·​u·​la·​tor ˈreg-yə-ˌlāt-ər 

1

: one that regulates

2

: regulatory gene

Legal Definition

regulator

noun

reg·​u·​la·​tor ˈre-gyə-ˌlā-tər 

: one (as a government agency) that regulates