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

"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.]

By using an ordinary telephone transmitter and receiver and a 1/2-in. jump spark coil, a complete wireless telegraph station may be made, which will send or receive messages for a radius of one mile.

From The Boy Mechanic: Volume 1 700 Things for Boys to Do by Popular Mechanics Co.

The intense heat of the oven had thoroughly dried these, so that they were again in working condition, together with the spark coil.

From When the Cock Crows by Baily, Waldron

Use a spark coil in connection with a telegraph key for the sending station, making a ground with one wire, and have the other connected with another aerial line.

From The Boy Mechanic: Volume 1 700 Things for Boys to Do by Popular Mechanics Co.