regulator Hear it!

regulator definition

regu·la·tor (reg′yə lāt′ər)

noun

a person or thing that regulates; specif.,
  1. a mechanism for controlling or governing the movement of machinery, the flow of liquids, gases, electricity, steam, etc.; governor
  2. the part of the works of a watch or clock by which its speed is adjusted
  3. an accurate timepiece serving as a standard by which others are regulated

Etymology: ML

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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