regulator

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UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈrɛgjʊleɪtər/US:USA pronunciation: respellingUSA pronunciation: respelling(regyə lā′tər)



WordReference Random House Unabridged Dictionary of American English © 2020
reg•u•la•tor  (regyə lā′tər),USA pronunciation n. 
  1. a person or thing that regulates.
  2. [Horol.]
    • Timean adjustable device in a clock or a watch for making it go faster or slower.
    • Timea master clock, usually of great accuracy, against which other clocks are checked.
  3. [Mach.]
    • Mechanical Engineeringa governor mechanism for regulating the flow of fuel, steam, etc., to an engine in order to maintain constant speed under varying load or resistance.
    • Mechanical Engineeringa valve for regulating the pressure of flowing gas or liquid to maintain a predetermined pressure.
    • Mechanical Engineeringany of various mechanisms for maintaining a temperature, a level of liquid in a tank, etc.
  4. Electricitya device for maintaining a designated characteristic, as voltage or current, at a predetermined value, or for varying it according to a predetermined plan.
  5. a device on scuba equipment for regulating the rate at which compressed air is fed through a breathing tube in proportion to the depth of water.
  6. a device for maintaining a constant gas pressure.
  7. American History(cap.)
    • a member of any of several bands or committees in North Carolina (1767–71), formed to resist certain abuses, as extortion by officials.
    • (in newly settled areas) a member of any band or committee organized to preserve order before the establishment of regular legal authority.
  • regulate + -or2 1645–55

Collins Concise English Dictionary © HarperCollins Publishers::
regulator /ˈrɛɡjʊˌleɪtə/ n
  1. a person or thing that regulates
  2. the mechanism, including the hairspring and the balance wheel, by which the speed of a timepiece is regulated
  3. any of various mechanisms or devices, such as a governor valve, for controlling fluid flow, pressure, temperature, voltage, etc
WordReference Random House Learner's Dictionary of American English © 2020
reg•u•late /ˈrɛgyəˌleɪt/USA pronunciation   v. [+ object], -lat•ed, -lat•ing. 
  1. to control or direct by a rule, principle, or method:Laws exist to regulate traffic on the highways.
  2. to adjust to some standard or requirement:to regulate the temperature.
  3. to adjust so as to be accurate or correct:to regulate a watch.
  4. to put in good order:to regulate one's diet.
reg•u•la•tive /ˈrɛgyəˌleɪtɪv, -yələtɪv/USA pronunciation   reg•u•la•to•ry /ˈrɛgyələˌtɔri/USA pronunciation  adj. 
reg•u•la•tor, n. [countable]See -reg-.

WordReference Random House Unabridged Dictionary of American English © 2020
reg•u•late  (regyə lāt′),USA pronunciation v.t.,  -lat•ed, -lat•ing. 
  1. to control or direct by a rule, principle, method, etc.:to regulate household expenses.
  2. to adjust to some standard or requirement, as amount, degree, etc.:to regulate the temperature.
  3. to adjust so as to ensure accuracy of operation:to regulate a watch.
  4. to put in good order:to regulate the digestion.
  • Late Latin rēgulātus (past participle of rēgulāre). See regula, -ate1
  • 1620–30;
reg•u•la•tive  (regyə lāt′),USA pronunciation  reg•u•la•to•ry  (regyə lāt′),USA pronunciation adj.  regu•la′tive•ly, adv. 
    • 1.See corresponding entry in Unabridged rule, govern, manage, order, adjust, arrange, dispose, conduct.
    • 2.See corresponding entry in Unabridged set.
    • 4.See corresponding entry in Unabridged systematize.

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