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Definition of regulator

regulator

/ˈɹɛɡjəˌleɪtɚ/
reg · u · la · tor

Plural:regulators
•
Adjective:regulatory
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regulator Lexical Profile

regulator Game Scores & Validity

• noun

1

A person or official agency that supervises and controls a particular industry, business activity, or public service to ensure compliance with laws and standards.

Example

"The financial regulator imposed a hefty fine on the bank for failing to report suspicious transactions."


2

A mechanical or electronic device used for controlling and maintaining a specific rate of flow, pressure, voltage, temperature, or speed in a machine or system.

Example

"The scuba diver checked her breathing regulator carefully before descending into the deep water."


3

In biology and biochemistry, a gene, protein, or hormone that controls a physiological process or the expression of one or more other genes.

Example

"Insulin acts as a primary regulator of glucose levels in the human bloodstream."

Synonyms
View all synonyms for regulator

• Rhymes for regulator

Word Origin & Etymology

Coined in the mid-17th century from the verb 'regulate' and the agentive suffix '-or', ultimately deriving from the Late Latin verb 'regulare' ('to control by rule'), from Latin 'regula' ('rule' or 'straight stick').

Cite this Entry


Wordmom. (2026). Definition of Regulator. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/regulator
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