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A wire forming part of a main circuit and returning to the point from which it starts.

agnificent. Acts xix. 27. "Then cometh magnificence." Chaucer. And, for the heaven's wide circuit, let it speak The Maker's high magnificence, who built so spacious. Milton. The noblest monuments of Roman magnificence. Eustace.

Any apparatus for making and breaking an electric circuit; a circuit breaker.

ombustion engine with two or more cylinders, an induction coil and vibrator placed in the circuit between the battery or magneto and the coils for the different cylinders, which are used without vibrators of their own.

distress or mourning. -- Minute hand, the long hand of a watch or clock, which makes the circuit of the dial in an hour, and marks the minutes.

The standard unit in the measure of electrical resistance, being the resistance of a circuit in which a potential difference of one volt produces a current of one ampére. As defined by the International Electrical Congress in 1893, and by United States Statute, it is a resistance substantially equal to 109 units of res…

ir, the air out of doors. -- Open chain. (Chem.) See Closed chain, under Chain. -- Open circuit (Elec.), a conducting circuit which is incomplete, or interrupted at some point; -- opposed to an uninterrupted, or Ant: closed circuit. -- Open communion, communion in the Lord's supper not restricted to persons who have…

les, and such engines of orbs. Bacon. You seem to me as Dian in her orb. Shak. In orbs Of circuit inexpressible they stood, Orb within orb. Milton.

That circuit of ground committed to the charge of one parson or vicar, or other minister having cure of souls therein. Cowell.

Performed in a period, or regular revolution; proceeding in a series of successive circuits; as, the periodical motion of the planets round the sun.

Rotatory; circuitous. [R.]

ing brushes, in which the exciting field is induced by the alternating current in a short-circuited magnetic core instead of being produced by an external magnet.

ng of the two parts of a single alternating current in two dissimilar branches of a given circuit.

A small incandescent telltale lamp on a dynamo or battery circuit to show approximately by its brightness the voltage of the current.

ing to or designating arc lamps so constructed that more than one can be used on a single circuit.

A journey of state; a circuit; especially, one made by a sovereign through parts of his own dominions. The king being returned from his progresse. Evelyn.

imple device, resembling a button in form, so arranged that pushing it closes an electric circuit, as of an electric bell.

e of a condenser; inductive resistance. Reactance is measured in ohms. The reactance of a circuit is equal to the component of the impressed electro-motive force at right angles to the current divided by the current, that is, the component of the impedance due to the self-inductance or capacity of the circuit.…

wound and measured into lays and hanks, -- for cotton or linen it is fifty-four inches in circuit; for worsted, thirty inches. McElrath.

In various forms of telegrapfhic apparatus, a megnet which receives the circuit current, and is caused by it to bring into into action the power of a local battery for performing the work of making the record; also, a similar device by which the current in one circuit is made to open or close another circuit in which a…