- an electric generator, especially for direct current.
- an energetic, hardworking, forceful person.
Origin of dynamo
- variant of dyna-: dynamometer.
Examples from the Web for dynamo
Dynamo is a platform that gives Turkers a collective voice and, consequently, the chance to drive change.Amazon’s Turkers Kick Off the First Crowdsourced Labor Guild
December 3, 2014
West is a dynamo, a fearsome warrior who quotes classic Greek with a warm, Southern charm.5 Lessons from Tuesday's Primaries
August 25, 2010
The Republican Party was founded on and is built on the dynamo of liberty.Can Wanda Sykes Save the GOP?
May 12, 2009
His researches on the dynamo caused him to devise what he calls an 'harmonic engine.'Heroes of the Telegraph
Here were the principles of the telegraph relay and the dynamo.The Age of Invention
The product of the mechanical motion is electricity in the dynamo.The Machinery of the Universe
Amos Emerson Dolbear
The ground carries the electricity back to the dynamo just as a wire would.Common Science
Carleton W. Washburne
But no dynamo ever invented has the power that is centered in the dynamic will of a human being.Sex=The Unknown Quantity
- a device for converting mechanical energy into electrical energy, esp one that produces direct currentCompare generator (def. 1)
- informal an energetic hard-working person
sometimes before a vowel dynam-
- indicating powerdynamoelectric; dynamite
Word Origin and History for dynamo
1882, short for dynamo-machine, from German dynamoelektrischemaschine "dynamo-electric machine," coined 1867 by its inventor, German electrical engineer Werner Siemans (1816-1892), from Greek dynamis "power."
- Force; energy:dynamogenesis.
- An electric generator, especially one that produces direct current. See more at generator.