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Electric arc   /ɪlˈɛktrɪk ɑrk/   Listen
noun
Arc  n.  
1.
(Geom.) A portion of a curved line; as, the arc of a circle or of an ellipse.
2.
A curvature in the shape of a circular arc or an arch; as, the colored arc (the rainbow); the arc of Hadley's quadrant.
3.
An arch. (Obs.) "Statues and trophies, and triumphal arcs."
4.
The apparent arc described, above or below the horizon, by the sun or other celestial body. The diurnal arc is described during the daytime, the nocturnal arc during the night.
Electric arc, Voltaic arc. See under Voltaic.





Collaborative International Dictionary of English 0.48


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"Electric arc" Quotes from Famous Books



... Edwin J. Houston, Ph.D., and A.E. Kennelly, D.Sc. Ten volumes: Alternating Electric Currents, Electric Heating, Electro-Magnetism, Electricity in Electro-Therapeutics, Electric Arc Lighting, Electric Incandescent Lighting, Electric Motors, Electric Street Railways, Electric ...
— Scientific American Supplement, No. 1178, June 25, 1898 • Various
... complete; and it is against this danger that the rules guard one. The amount of electricity flowing through a short circuit is limited only by the fuse protecting that line; and since there is no substance known that can withstand the heat of the electric arc, short circuits must be guarded against. Happily the current is so easily controlled that the fire hazard is eliminated entirely—something which cannot ...
— Electricity for the farm - Light, heat and power by inexpensive methods from the water - wheel or farm engine • Frederick Irving Anderson
... like staring straight into the focus of a ten thousand candle-power electric arc lamp. It was so intolerable that Redgrave closed the lower shutters, and meanwhile he found that the Astronef had ceased to descend. He shut off more of the R. Force, but it produced no effect. ...
— A Honeymoon in Space • George Griffith
... and lime is introduced into the furnace through which an electric arc has been drawn. The materials unite and form an ingot of very pure carbide surrounded by a crust of less purity. The poorer crust is rejected in breaking up the mass into lumps which are graded according to their size. ...
— Oxy-Acetylene Welding and Cutting • Harold P. Manly
... was this. As LeConte, working in the radio room close off the main saloon, completed a connection which had been broken, he called to us that he was making progress, and a moment later we heard the click of his sending key and the shrill squeal of a powerful electric arc breaking across the transmission points of his set. I realized at once that this did not mean that the set was wholly in order, for the pitch of the squealing arc was too high and too sharp, but I did know that there was hope of establishing communication with Earth soon. And, ...
— The Winged Men of Orcon - A Complete Novelette • David R. Sparks


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