plural of closed circuit

an incomplete electrical circuit through which no current can flow

plural of open circuit

(rail transport) The provision of track circuits.

(historical, theater) A collection of venues throughout the eastern, southern, and upper Midwest areas of the United States where African-American performers were accepted despite racial segregation.

One of the six regions into which most of England was divided for the purposes of collating the Great Domesday Book, each of which were assigned commissioners for the purposes of conducting the Domesday survey.

plural of Domesday circuit

(LGBT) A large dance event closely associated with LGBT culture, often extending through the night into the following day, usually with a number of affiliated events in the days leading up to and following the main event.

plural of circuit party

plural of logic circuit