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regulator

 - 5 dictionary results

reg⋅u⋅la⋅tor

[reg-yuh-ley-ter]
–noun
1. a person or thing that regulates.
2. Horology.
a. an adjustable device in a clock or a watch for making it go faster or slower.
b. a master clock, usually of great accuracy, against which other clocks are checked.
3. Machinery.
a. a governor mechanism for regulating the flow of fuel, steam, etc., to an engine in order to maintain constant speed under varying load or resistance.
b. a valve for regulating the pressure of flowing gas or liquid to maintain a predetermined pressure.
c. any of various mechanisms for maintaining a temperature, a level of liquid in a tank, etc.
4. Electricity. a 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. (initial capital letter) American History.
a. a member of any of several bands or committees in North Carolina (1767–71), formed to resist certain abuses, as extortion by officials.
b. (in newly settled areas) a member of any band or committee organized to preserve order before the establishment of regular legal authority.

Origin:
1645–55; regulate + -or 2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To regulator
reg·u·la·tor   (rěg'yə-lā'tər)   
n.  
  1. One that regulates, as:

    1. The mechanism in a watch by which its speed is governed.

    2. A highly accurate clock used as a standard for timing other clocks.

    3. A device used to maintain uniform speed in a machine; a governor.

    4. A device used to control the flow of gases, liquids, or electric current.

  2. One, such as the member of a governmental regulatory agency, that ensures compliance with laws, regulations, and established rules: banking regulators; price regulators.

  3. A substance that affects the amount of product or the progress of a biochemical reaction or process: a regulator of embryogenesis.

  4. See regulator gene.

regulator gene  
n.  A gene that causes the production of a protein that regulates or suppresses the activity of one or more structural genes. Also called regulator, regulatory gene.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Legal Dictionary

Main Entry: reg·u·la·tor
Pronunciation: 're-gy&-"lA-t&r
Function: noun
: one (as a government agency) that regulates
Merriam-Webster's Dictionary of Law, © 1996 Merriam-Webster, Inc.
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Medical Dictionary

Main Entry: reg·u·la·tor
Pronunciation: 'reg-y&-"lAt-&r
Function: noun
1 : one that regulates
2 : REGULATORY GENE
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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