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electro

1 American  
[ih-lek-troh] / ɪˈlɛk troʊ /

noun

plural

electros

  1. electrotype.

electro- 2 American  

  1. a combining form representing electric or electricity in compound words.

    electromagnetic.
electro- 1 British  

combining form

  1. electric or electrically

    electrocardiograph

    electrocute

  2. electrolytic

    electroanalysis
"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
electro 2 British  
/ ɪˈlɛktrəʊ /

noun

  1. short for electroplate electrotype

"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

Etymology

Origin of electro1

By shortening

Origin of electro-2

electr(ic) + -o-

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

No one quite knew what to expect from Saturday’s re-vamped collaboration between veteran industrial rockers Nine Inch Nails and their recent tourmate, the German electro producer Boys Noize.

From Los Angeles Times • Apr. 12, 2026

"Industrial, electro combined? Gonna be mental," he told AFP.

From Barron's • Apr. 12, 2026

When it comes time to take a corner at a sporting pace, the electro Audi just rips.

From The Wall Street Journal • Nov. 24, 2025

Electrolytes get their "electro" name from having an electrical charge when dissolved in water.

From Salon • Jan. 21, 2025

Upon Masterman's table there was also real silver of undeniable price, and a vast silver urn; whereas Beverley and Luke could pretend to nothing better than electro imitations, which were not even silver-plated.

From Masterman and Son by Dawson, W. J. (William James)

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.