regulator

Noun
  1. Any of various controls or devices for regulating or controlling fluid flow, pressure, temperature, etc. (synset 104079305)
    is a type of: control, controller - a mechanism that controls the operation of a machine
    subtypes:
    • aperture - a device that controls amount of light admitted
    • ball cock, ballcock - floating ball that controls level in a water tank
    • draft - a regulator for controlling the flow of air in a fireplace
    • faucet, spigot - a regulator for controlling the flow of a liquid from a reservoir
    • peg - regulator that can be turned to regulate the pitch of the strings of a stringed instrument
    • petcock - regulator consisting of a small cock or faucet or valve for letting out air or releasing compression or draining
    • register - a regulator (as a sliding plate) for regulating the flow of air into a furnace or other heating device
    • escape, escape cock, escape valve, relief valve, safety valve - a valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level
    • floodgate, head gate, penstock, sluice valve, sluicegate, water gate - regulator consisting of a valve or gate that controls the rate of water flow through a sluice
    • thermoregulator, thermostat - a regulator for automatically regulating temperature by starting or stopping the supply of heat
  2. An official responsible for control and supervision of a particular activity or area of public interest (synset 110537419)
    is a type of: functionary, official - a worker who holds or is invested with an office
  3. A control that maintains a steady speed in a machine (as by controlling the supply of fuel) (synset 103454962)
    is a type of: control, controller - a mechanism that controls the operation of a machine
    subtypes:
    • flywheel - regulator consisting of a heavy wheel that stores kinetic energy and smooths the operation of a reciprocating engine
    • timer - a regulator that activates or deactivates a mechanism at set times
    same as: governor

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