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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.

That track, along with the rest of her electro and dance-inspired Brat album, inspired a lime green cultural phenomenon that took over 2024.

From BBC • Feb. 12, 2026

It has the squelchy bounce of the early-’80s hip-hop offshoot electro, yet Mr. Parker’s searing guitar lead seems dropped in from a Santana album of the decade prior.

From The Wall Street Journal • Oct. 28, 2025

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

From Salon • Jan. 21, 2025

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

The electro gun came around slowly toward Blake.

From One-Way Ticket to Nowhere by Yerxa, Leroy

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.