closed-circuit

closed circuit

noun Electricity.
a circuit without interruption, providing a continuous path through which a current can flow.
Compare open circuit.


Origin:
1820–30

closed-circuit, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
closed circuit
 
n
Compare open circuit a complete electrical circuit through which current can flow when a voltage is applied

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
closed circuit  
  1. An electric circuit through which current can flow in an uninterrupted path. Compare open circuit.

  2. A television system in which the signal is usually sent by cable to a limited number of receivers.


The American Heritage® Science Dictionary
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