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dynamo

Pronunciation: /ˈdaɪnəmoʊ/

The English word “dynamo” has 3 meanings listed here.

noun

  1. An electricity generator; a dynamo-electric machine.
  2. The mechanism by which a celestial body, such as the Earth or a star, generates a magnetic field.
  3. An energetic person.

Etymology

A shortening of dynamo-electric machine. The element dynamo- is ultimately from Ancient Greek δύναμις (dúnamis, “power”).

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.