Dictionary.com
Thesaurus.com

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

China does not have indigenous fossil fuels, and is electrifying at an astonishing rate, and is referred to by some researchers as an "electro state".

From BBC • Jan. 28, 2025

Not but that the materials of her dress are rich enough, so that my electro simile will hardly hold water; but money does not make the artist.

From Town Life in Australia by Twopeny, Richard Ernest Nowell