flywheel

noun/ˈflaɪwiːl/

Frequency rank: #16,274 of 20,003 in the WORDED list (wordfreq data)

Meaning

a heavy rotating wheel used to store rotational energy and keep machinery running smoothly.

Illustration for the English word “flywheel”

Example sentence

The engineer spun the flywheel to store energy for the machine's next cycle.

Synonyms & related words

More words in ranks 16,201–16,300