regulator به انگلیسی
From Longman Dictionary
reg‧u‧la‧tor /ˈreɡjəleɪtə $ -ər/ AWL noun [countable]
an instrument for controlling the temperature, speed etc of something
someone who makes sure that a system operates properly or fairly
Example
The Commission also advocates separation between operators and regulators
Politicians and regulators have connived in that illusion-and continue to do so
A judge refused last week a request by rival insurers to remove the Pennsylvania regulator from ruling on the case
The Bill puts the customer first by giving stronger powers to the regulators of telecommunications, gas, electricity and water
Yet the regulators have given it a dispensation: the rubbish has to go somewhere