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

However, some of the changes have yet to satisfy the EU regulators. —Arjun Kharpal, CNBC, 23 July 2025

The order would give Trump even more direct control over the space industry’s chief regulator by turning the civil servant position leading the FAA’s Office of Commercial Space Transportation into a political appointment. —ArsTechnica, 22 July 2025

Companies must engage not only data scientists but also clinicians, regulators and public health experts from day one. —Ashwini Kumar, Forbes.com, 22 July 2025

The subpoena sent to the marijuana regulators also sought employment data. —Seth Klamann, Denver Post, 22 July 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