dynamo

¹

[dahy-nuh-moh]

noun

plural

dynamos 

1. an electric generator, especially for direct current.

2. an energetic, hardworking, forceful person.

dynamo-

²

Also dynam-.

1. variant of dyna-.

   dynamometer.

dynamo

¹

/ 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

dynamo-

²

combining form

1. indicating power

   dynamoelectric

   dynamite

dynamo

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

2. See more at generator

Word History and Origins

Origin of dynamo¹

First recorded in 1882; short for dynamoelectric

Word History and Origins

Origin of dynamo¹

C19: short for dynamoelectric machine

Origin of dynamo²

from Greek, from dunamis power

Example Sentences

She’s excellent in the role, small and vulnerable yet tough and fierce, a pink-clad dynamo who is nevertheless beholden to others.

Read more on The Wall Street Journal

The magnetic fields at the poles are vital to the Sun's global dynamo process and may act as "seed fields" that shape the next solar cycle, defining the overall solar magnetic structure.

Read more on Science Daily

Scientists have long explained the source of this protective force through the dynamo theory, which describes how motion within Earth's liquid metal core creates magnetism.

Read more on Science Daily

Eventually, the tween dynamo dreams of working with artificial intelligence at aerospace giant SpaceX.

Read more on Los Angeles Times

The appearance of constant action, of being human dynamos, is a common tactic of authoritarians and fascist leaders.

Read more on Salon