(n.) A circuit formed or closed by a conductor of relatively low resistance because shorter or of relatively great conductivity.

amplify break broken circuit charge circuit circuital field closed circuit complete circuit dead circuit electrify energize galvanic circuit galvanize generate hot circuit lateral circuit leg live circuit loop loop in magnetic circuit microcircuit multiple circuit multiple series path plug in printed circuit series multiple shock short step down step up stiffen switch off switch on turn off turn on vector field