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Definition of transformer


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Houghton Mifflin

transformer
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transformer
iron core transformer
trans·form·er  audio  (trns-fôrmr) KEY 

NOUN:
  1. One that transforms.
  2. A device used to transfer electric energy from one circuit to another, especially a pair of multiply wound, inductively coupled wire coils that effect such a transfer with a change in voltage, current, phase, or other electric characteristic.



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