dynamo
noun
- electrical generator that produces direct current with the use of a commutator
Wiktionary
Pronunciation: /ˈdaɪnəmoʊ/
noun
Etymology: A shortening of dynamo-electric machine. The element dynamo- is ultimately from Ancient Greek δύναμις (dúnamis, “power”).
- An electricity generator; a dynamo-electric machine.
“"As usual, it isn't telling the truth about it or you. But your body is. I can feel its vitality like the pulse of a dynamo."”
- 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.”