(electronics) A switching circuit whose output is determined solely by some combination of its concurrent inputs.

(informal) A large gathering of reporters at the scene of a news event.

A supposed error in reasoning attributed to René Descartes. A form of circular argument.

A power saw with a circular cutting blade, whose teeth rotate rapidly.

plural of circular arc

(informal) A term often conflated with begging the question in philosophy. / (philosophy, logic) An argument which commits the logical fallacy of assuming what it is attempting to prove.

A situation in which the solution to one problem makes each future problem easier to solve than the original one.

plural of circuit breaker

A freely distributed letter or pamphlet on routine matters.

A group of families who share the task of babysitting on a rotational, or other equalising basis.