magnetos
IPA/mæɡˈniː.təʊ/
IPA/mæɡˈniː.t̬oʊ/
magnetos — noun
- magnetossingular
- magnetosesplural
1. an electrical device that creates pulses of high voltage with permanent magnets
1.名詞C1
釋義
an electrical device that creates pulses of high voltage with permanent magnets — used mainly in petrol engines to fire the spark plug and ignite the fuel
例句
Hugo replaced both magnetos on the old Cessna before the flight.
aviation: replaced both magnetos (engine redundancy)
Niran's motorcycle would not start, so the mechanic checked the magnetos.
When one magneto failed, the engine kept running on the other.
Tendai checked the timing of each magneto during the annual engine service.
Aarav's lawnmower would not start because the magneto was worn out.
用法筆記
Most often encountered in aviation, motorcycle, and small-engine contexts. Modern cars use electronic ignition systems rather than magnetos.
常見錯誤
❌The car's magneto needs replacing.
✅The car's ignition coil needs replacing.
💡Modern cars use electronic ignition, not magnetos. Magnetos are found in aircraft, older motorcycles, and small engines like lawnmowers.
❌The magneto charges the battery.
✅The alternator charges the battery.
💡A magneto produces spark voltage for ignition, not steady current for battery charging.