regulator (EN)

noun

noun “regulator”

1. a person or organization that enforces rules or laws
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   The financial regulators imposed a fine on the bank for illegal activities.
2. a device that controls or limits the operation of a system
   The engine overheated because the coolant regulator failed to function properly.
3. (in genetics) a gene that controls the activity of other genes
   Scientists discovered a regulator that affects the growth of the organism.