Magneto

//maɡˈniːtəʊ// noun

Definitions

Noun
  1. 1
    A small magnetic dynamo, especially one that provides power to the spark plugs of a small internal combustion engine (now mostly used in aircraft).

    "Black tracks on the magneto, a hairline crack in the flywheel casing, pitted points or a spitless exhaust — all are clues to potential conkouts"

  2. 2
    a small dynamo with a secondary winding that produces a high voltage enabling a spark to jump between the poles of a spark plug in a gasoline engine wordnet

Etymology

Clipping of magneto-electric (machine).

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