dynamo

Plural: dynamos

Noun

• A machine that converts mechanical energy into electrical energy; an energetic person.
• 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
• 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.

Examples

• That new Vice President of Marketing is a real dynamo; sales have already gone up this quarter.
• The blank tile was a dynamo, generating incredible scoring potential from any letter.

Related Words

dynamics