dynamo — English Dictionary

Noun

1. An electricity generator; a dynamo-electric machine.

   Examples

   "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."

2. The mechanism by which a celestial body, such as the Earth or a star, generates a magnetic field.

3. An energetic person.

   Usage

   • Figurative

   Examples

   That new Vice President of Marketing is a real dynamo; sales have already gone up this quarter.

Noun

1. generator consisting of a coil (the armature) that rotates between the poles of an electromagnet (the field magnet) causing a current to flow in the armature

   Broader terms

   generator