|Compare closed circuit an incomplete electrical circuit in which no current flows|
|a scrap or morsel of food left at a meal.|
|a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.|
|open circuit (ō'pən) Pronunciation Key
An electric circuit in which the normal path of current has been interrupted, either by the disconnection of one part of its conducting pathway from another, or by the intervention of an electric component, such as a transistor. Compare closed circuit.