dynamo-

¹ American  

Also dynam-.

1. variant of dyna-.

   dynamometer.

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dynamo ² American  

[dahy-nuh-moh] / ˈdaɪ nəˌmoʊ /

noun

PLURAL

dynamos

1. an electric generator, especially for direct current.

2. an energetic, hardworking, forceful person.

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dynamo ¹ British  

/ ˈdaɪnəˌməʊ /

noun

1. a device for converting mechanical energy into electrical energy, esp one that produces direct current Compare generator

2. informal  an energetic hard-working person

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dynamo- ² British  

combining form

1. indicating power

   dynamoelectric

   dynamite

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dynamo Scientific  

/ dī′nə-mō′ /

1. An electric generator, especially one that produces direct current.

2. See more at generator

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Etymology

Origin of dynamo

First recorded in 1882; short for dynamoelectric

Example Sentences

Two decades ago, Weiss was studying rare meteorite samples to see whether some asteroids were ever big enough to have a dynamo—a churning molten core that generates magnetic fields.

From Science Magazine

“Bob was a dynamo, a force of nature. Bob was the genuine article,” MobileCoin chief executive Joshua Goldbard said in a statement.

From Washington Post

Craig Romano, the hiking dynamo with more than two dozen guidebooks to his name, urges outdoor people to try something new.

From Seattle Times

But even Germany, the world’s fourth-largest economy and Europe’s manufacturing dynamo, has been incapable of jump-starting military industrial production on a timeline suited to Ukraine’s dire needs.

From Washington Post

Anyone who thinks Bailey is just a scoring dynamo isn’t watching closely.

From Los Angeles Times