dynamotor
/ˈdaɪnəˌmoʊtər/
noun
- A machine that combines an electric motor and a generator in one unit, used to convert electrical energy from one form to another or to provide power in portable devices.
- The old radio used a dynamotor to generate the high voltage needed for its vacuum tubes.
- Engineers designed a compact dynamotor for use in early aircraft communication systems.
- The museum displayed a vintage dynamotor from the 1940s, showing how portable power was once achieved.