from the GNU version of the Collaborative International Dictionary of English

  • n. A disruptive discharge between a conductor traversed by an oscillatory current of high frequency (as lightning) and neighboring masses of metal, or between different parts of the same conductor.

from The Century Dictionary and Cyclopedia

  • n. In electricity, the disruptive discharge between neighboring parts of a bent conductor which sometimes occurs in the case of oscillatory currents of high frequency; the spark between a lightning-rod and neighboring masses of metal induced by an oscillatory discharge of lightning.


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