regulator
US /ˈreɡ.jə.leɪ.t̬ɚ/
UK /ˈreɡ.jə.leɪ.t̬ɚ/
1.
a device or control mechanism that maintains a desired output or condition, such as a constant voltage or temperature, despite variations in the input or external conditions
:
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The pressure regulator ensures a steady flow of gas.
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A voltage regulator is essential for protecting electronic devices.
2.
a person or body that supervises and controls a system or industry
:
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Financial regulators are tightening rules on banks.
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The government appointed a new regulator for the telecommunications industry.