[ dahy-nuh-moh ]
/ ˈdaɪ nəˌmoʊ /
noun, plural dy·na·mos.
an electric generator, especially for direct current.
an energetic, hardworking, forceful person.
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Origin of dynamo
First recorded in 1882; short for dynamoelectric
Definition for dynamo (2 of 2)
variant of dyna-: dynamometer.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for dynamo (1 of 2)
/ (ˈdaɪnəˌməʊ) /
noun plural -mos
a device for converting mechanical energy into electrical energy, esp one that produces direct currentCompare generator (def. 1)
informal an energetic hard-working person
Word Origin for dynamo
C19: short for dynamoelectric machine
British Dictionary definitions for dynamo (2 of 2)
sometimes before a vowel dynam-
indicating powerdynamoelectric; dynamite
Word Origin for dynamo-
from Greek, from dunamis power
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for dynamo
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for dynamo
[ dī′nə-mō′ ]
An electric generator, especially one that produces direct current. See more at generator.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.