regulatornoun [ C ]
uk/ˈreɡ.jə.leɪ.tər/us/ˈreɡ.jə.leɪ.t̬ɚ/a device used to control things such as the speed of a clock, the temperature in a room, etc.
an official who makes certain that the companies who operate a system, such as the national electricity supply, work effectively and fairly
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Machines - parts
- ball bearing
- bearing
- clutch
- cog
- cogwheel
- hub
- inlet
- input
- jet
- lever
- manifold
- rack and pinion
- ram
- ratchet
- sleeve
- soft key
- stepney
- timer
- vee belt
- wheel
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Government ministers & civil servants