Transducer

ahd-5
  • noun. A substance or device, such as a piezoelectric crystal, microphone, or photoelectric cell, that converts input energy of one form into output energy of another.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. A device that converts energy from one form into another.
  • noun. A state machine that generates output based on a given input.
  • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • noun. an electrical device that converts one form of energy into another
  • Word Usage
    "The human ear cannot hear these echoes, so a special wand called a transducer is used."
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    looser  producer  seducer  
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