dynamo.
An electricity generator; a dynamo-electric machine.
Meaning & usage
An electricity generator; a dynamo-electric machine.
The mechanism by which a celestial body, such as the Earth or a star, generates a magnetic field.
An energetic person.
That new Vice President of Marketing is a real dynamo; sales have already gone up this quarter.
Where this word comes from
A shortening of dynamo-electric machine. The element dynamo- is ultimately from Ancient Greek δύναμις (dúnamis, “power”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.