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Definition dynamo in British English

dynamo noun

[countable] noun
/ˈdaɪnəməʊ/
1

a piece of equipment that changes the movement of an engine or machine into electricity

Synonyms and related words
1.1

a piece of equipment on a bicycle that changes the movement of the wheels into electricity to make the lights work

Synonyms and related words
2

someone with a lot of energy and determination

Synonyms and related words
Definition dynamo in British English