regulator

noun

reg·​u·​la·​tor ˈre-gyə-ˌlā-tər 

 also  ˈrā-

1

: one that regulates

2

: regulatory gene

Synonyms

• 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

While Indigo has contested the ranking, an even bigger issue is weak oversight by India’s aviation regulator—the Directorate General of Civil Aviation (DGCA). —Vasuki Shastry, Forbes.com, 29 June 2025

Late last week, some influential Democrats were saying that Lamont’s enthusiasm for his chief regulator may have cooled after PURA conceded destruction of the text messages. —Edmund H. Mahony, Hartford Courant, 29 June 2025

The German move follows a similar step by Italy’s privacy regulator in January. —Bloomberg, Mercury News, 27 June 2025

The proxy statement is filed with regulators and sets up the company’s annual meeting on Sept. 3. —Jean E. Palmieri, Footwear News, 27 June 2025

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