closed circuit

American  

noun

Electricity.

1. a circuit without interruption, providing a continuous path through which a current can flow.

---

closed circuit British  

noun

1. a complete electrical circuit through which current can flow when a voltage is applied Compare open circuit

---

closed circuit Scientific  

1. An electric circuit through which current can flow in an uninterrupted path.

2. Compare open circuit

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

---

Other Word Forms

• closed-circuit adjective

Etymology

Origin of closed circuit

First recorded in 1820–30

Compare meaning

How does closed-circuit compare to similar and commonly confused words? Explore the most common comparisons:

• open circuit vs. closed circuit