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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.

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

Thirteen new tracks that dive deeper into the slick electro aesthetics of the original.

From BBC • Oct. 9, 2024

The track is a buzzing, galloping, pumping merger of punk-pop and electro, opening with an arena-sized “Hey-oh” chant and trying to get through the crisis on sheer momentum.

From New York Times • May 31, 2024

An electro pneumatic block signal system has been devised, which excels any system heretofore used and is unique in its mechanism.

From The New York Subway Its Construction and Equipment by Anonymous

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.