dynamo

¹ 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- ² American  

Also dynam-.

1. variant of dyna-.

   dynamometer.

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dynamo- ¹ British  

combining form

1. indicating power

   dynamoelectric

   dynamite

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dynamo ² 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 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

This flipping is thought to be driven by the "dynamo action" of molten iron circulating in Earth's core, which generates electrical currents and magnetic fields.

From Science Daily

It was the women in his life — the “amazing, powerful, loud, colorful dynamos,” as he describes them — who inspired him to pursue a career in fashion.

From Los Angeles Times

Although it can be loosely compared to the motion of a spinning conductor in a bicycle dynamo, the true processes driving the field are far more complicated.

From Science Daily

Philadelphia never resembled the diverse-threat dynamo they were in their Super Bowl run.

From The Wall Street Journal

According to Helled, "Our models have so-called "ionic water" layers which generate magnetic dynamos in locations that explain the observed non-dipolar magnetic fields. We also found that Uranus' magnetic field originates deeper than Neptune's."

From Science Daily