flywheel
Translation
flywheel
Examples
The engine's flywheel stores rotational energy.
The engine's flywheel stores rotational energy.
Grammar Patterns
a flywheel ((in/of sth.)) a mechanical device that stores rotational energy. The flywheel in the engine helps smooth out power delivery.
Similar Words
Synonyms: rotor, gyroscope
Etymology
A compound word: 'fly' + 'wheel'. It refers to a wheel that spins or 'flies' with momentum.
Memory Tips
Think of a heavy wheel that keeps spinning (flying) due to its own weight and momentum.