Dynamo

//ˈdaɪnəmoʊ// noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    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.""

  2. 2
    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 wordnet
  3. 3
    The mechanism by which a celestial body, such as the Earth or a star, generates a magnetic field.
  4. 4
    An energetic person. figuratively

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

Synonyms

All synonyms
centerdevicedoerelectrical parts and devicesenginegenerator

Example

More examples

"FC Dynamo Kyiv are presenting their new kit."

Etymology

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

Related phrases

dynamo theorydynamo torchdynamo electric machine

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.