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dynamo

Pronunciation: /ˈdʌɪnəməʊ/

Translate dynamo | into French | into German | into Italian | into Spanish

Definition of dynamo

noun (plural dynamos)

chiefly British

a machine for converting mechanical energy into electrical energy, typically by means of rotating coils of copper wire in a magnetic field.
informal an extremely energetic person:she was a dynamo in London politics