Meaning of the word dynamo in English

What does dynamo mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

dynamo

US /ˈdaɪ.nə.moʊ/
UK /ˈdaɪ.nə.məʊ/

Noun

1.

a machine for converting mechanical energy into electrical energy; a generator

Example:
The bicycle's lights are powered by a small dynamo.
Early power stations used large dynamos to generate electricity.
2.

an energetic and forceful person

Example:
She's a real dynamo in the office, always getting things done.
Despite his age, he's still a dynamo on the tennis court.