spark coil

American  

noun

Electricity.

1. a coil of many turns of insulated wire on an iron core, used for producing sparks.

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spark coil British  

noun

1. an induction coil used to produce spark discharges

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Etymology

Origin of spark coil

First recorded in 1895–1900

Example Sentences

The big brother took another degree, A. M. The young brother accepted his fortune and buckled down to work, for a shoe company, an optical company, the General Electric Co., a spark coil company.

From Time Magazine Archive

I'll know better next time than to leave my boat at the dock without taking out the connection at the spark coil, so no one can start the motor.

From Tom Swift and His Motor-Boat, or, the Rivals of Lake Carlopa by Appleton, Victor [pseud.]

This winding constitutes all of the magneto windings, no external spark coil being necessary.

From Aviation Engines Design?Construction?Operation and Repair by Pag?, Victor Wilfred

"You wouldn't have beaten me if my spark coil hadn't gone back on me," he said, somewhat sneeringly.

From Tom Swift and His Motor-Boat, or, the Rivals of Lake Carlopa by Appleton, Victor [pseud.]

The ends of the secondary coil lead to two binding posts, which are usually placed on top of the spark coil and it is to these that the spark gap is connected.

From The Radio Amateur's Hand Book by Collins, A. Frederick (Archie Frederick)