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less resistance. -- Resistance coil (Elec.), a coil of wire introduced into an electric circuit to increase the resistance. -- Solid of least resistance (Mech.), a solid of such a form as to experience, in moving in a fluid, less resistance than any other solid having the same base, height, and volume.…

A metallic wire used for regulating the resistance of a circuit, or varying the strength of an electric current, by inserting a greater or less length of it in the circuit.

A course ending where it began; a circuit; a beat; especially, one freguently or regulary traversed; also, the act of traversing a circuit; as, a watchman's round; the rounds of the postman.

Circuitous; going round; indirect; as, roundabout speech. We have taken a terrible roundabout road. Burke.

The quality of being roundabout; circuitousness.

In baseball, a complete circuit of the bases made by a player, which enables him to score one; in cricket, a passing from one wicket to the other, by which one point is scored; as, a player made three runs; the side went out with two hundred runs. The "runs" are made from wicket to wicket, the batsmen interchanging end…

poles of another great circle and is therefore perpendicular to its plane. -- Secondary circuit, Secondary coil (Elec.), a circuit or coil in which a current is produced by the induction of a current in a neighboring circuit or coil called the primary circuit or coil. -- Secondary color, a color formed by mixing any…

Induction in a circuit due to the action of one portion of a current upon an adjacent portion during periods of varying current strength. The nature of the induction is such as to oppose the action which produces it.

A motor capable of being used in a series circuit.

The turns in a series circuit.

ding in which the armature coil and the field-magnet coil are in series with the external circuits; -- opposed to shunt winding. --Se"ries-wound`, a.

A conducting circuit joining two points in a conductor, or the terminals of a galvanometer or dynamo, so as to form a parallel or derived circuit through which a portion of the current may pass, for the purpose of regulating the amount passing in the main circuit.

Extending far and wide; vast in extent. "A spacious plain outstretched in circuit wide." Milton.

having through it an insulated wire which is connected with the induction coil or magneto circuit on the outside, and forms, with another terminal on the base of the plug, a spark gap inside the cylinder.

ds. Shak. Speaking a still good morrow with her eyes. Tennyson. And for the heaven's wide circuit, let it speak The maker's high magnificence. Milton. Report speaks you a bonny monk. Sir W. Scott.

Circuit or range of action, knowledge, or influence; compass; province; employment; place of existence. To be called into a huge sphere, and not to be seen to move in 't. Shak. Taking her out of the ordinary relations with humanity, and inclosing her in a sphere by herself. Hawthorne. Each in his hidden sphere of joy o…

ters, when straitened, as at the falls of bridges, give a roaring noise. Bacon. In narrow circuit, straitened by a foe. Milton.

To be hanged. [Colloq.] D. Webster. To swing round the circle, to make a complete circuit. [Colloq.] He had swung round the circle of theories and systems in which his age abounded, without finding relief. A. V. G. Allen.

A mechanical device for shifting an electric current to another circuit. Safety switch (Railways), a form of switch contrived to prevent or lessen the danger of derailment of trains. -- Switch back (Railways), an arrangement of tracks whereby elevations otherwise insurmountable are passed. The track ascends by a serie…

d to a source of three-phase current, two-phase current may be derived from the secondary circuits. The reverse arrangement may be used to transform from two-phase. -- T"-connected, a.