Search the Dictionary

r by a subject specially authorized. [Eng.] Bouvier. -- Free charge (Elec.), a charge of electricity in the free or statical condition; free electricity. -- Free church. (a) A church whose sittings are for all and without charge. (b) An ecclesiastical body that left the Church of Scotland, in 1843, to be free from co…

g certain privileges; a member of a borough, town, or State, who has the right to vote at elections. See Liveryman. Burrill. Both having been made freemen on the same day. Addison.

od. -- Friction gear. See Frictional gearing, under Frictional. -- Friction machine, an electrical machine, generating electricity by friction. -- Friction meter, an instrument for measuring friction, as in testing lubricants. -- Friction powder, Friction composition, a composition of chlorate of potassium, antimon…

Relating to friction; moved by friction; produced by friction; as, frictional electricity. Frictional gearing, wheels which transmit motion by surface friction instead of teeth. The faces are sometimes made more or less V-shaped to increase or decrease friction, as required.

A spectro-electric tube in which the decomposition of a liquid by the passage of an electric spark is observed. Knight.

A fusible plug that screws into a receptacle, used as a fuse in electric wiring.

uce explosion. -- Concussion fuze, a fuze ignited by the striking of the projectile. -- Electric fuze, a fuze which is ignited by heat or a spark produced by an electric current. -- Friction fuze, a fuze which is ignited by the heat evolved by friction. -- Percussion fuze, a fuze in which the ignition is produced b…

Of or pertaining to, or exhibiting the phenomena of, galvanism; employing or producing electrical currents. Galvanic battery (Elec.), an apparatus for generating electrical currents by the mutual action of certain liquids and metals; -- now usually called voltaic battery. See Battery. -- Galvanic circuit or circle. (E…

Electricity excited by the mutual action of certain liquids and metals; dynamical electricity.

To affect with galvanism; to subject to the action of electrical currents.

The art or process of depositing metals by electricity; electrotypy.

An instrument or apparatus for measuring the intensity of an electric current, usually by the deflection of a magnetic needle. Differential galvanometer. See under Differental, a. -- Sine galvanometer, Cosine galvanometer, Tangent galvanometer (Elec.), a galvanometer in which the sine, cosine, or tangent respectively,…

The art or process of measuring the force of electric currents.

Of or pertaining to the art or process of electrotyping; employing, or produced by, the process of electolytic deposition; as, a galvano-plastic copy of a medal or the like.

The art or process of electrotypy.

Same as Electro-puncture.

An instrument or apparatus for detecting the presence of electrical currents, especially such as are of feeble intensity.

Same as Electrotonus.

Very penetrating rays not appreciably deflected by a magnetic or electric field, emitted by radioactive substances. The prevailing view is that they are non-periodic ether pulses differing from Röntgen rays only in being more penetrating.

A haulage system for canal boats, in which an electric locomotive running on a monorail has its adhesion materially increased by the pull of the tow rope on a series of inclined gripping wheels.