WordReference Random House Unabridged Dictionary of American English © 2025
o′pen cir′cuit, [Elect.]
  1. Electricitya discontinuous circuit through which no current can flow. Cf. closed circuit. 
  • 1820–30
o′pen-cir′cuit, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
open circuit
  1. an incomplete electrical circuit in which no current flows
    Compare closed circuit
'open circuit' also found in these entries (note: many are not synonyms or translations):
closed circuit

Forum discussions with the word(s) "open circuit" in the title:


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