magneto

/mæɡˈnitoʊ/
noun
  1. A small generator that uses magnets to produce electricity, especially in older engines or ignition systems.
    • Old lawnmowers often rely on a magneto to create the spark for the engine.
    • The mechanic replaced the magneto in the vintage motorcycle to get it running again.
    • In small aircraft, a magneto provides backup ignition if the battery fails.
Synonyms
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