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

The demonstration irradiation is intended to provide data to the designer, the utility, the manufacturer, and the regulator regarding fuel performance. —Aman Tripathi, Interesting Engineering, 19 Apr. 2026

Legislators understand that the way to increase affordability is to shine a light on the ways in which those companies have been racking up record profits while government regulators are left in the dark. —Allysson Bornt, New York Daily News, 19 Apr. 2026

Absence of oversight Despite their ubiquity, REITs remain invisible to state and federal health regulators. —Jordan Rau, NPR, 19 Apr. 2026

Congress asked the Government Accountability Office to investigate, leading to a 2012 audit concluding federal regulators could catch chameleon carriers by better screening its own data. —Michael Kaplan, CBS News, 19 Apr. 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