That consists of a closed circuit

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

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

A guide who accompanies visitors and sightseers to museums, galleries, etc., and explains matters of archaeological, antiquarian, historic or artistic interest..

(transitive, intransitive, archaic) To show (somebody) the sights, acting as a tourist guide.

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