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  • demo
    demo
    noun
  • Demo
    Demo
    noun
    a member of the Democratic Party; Democrat.
  • demo-
    demo-
    a combining form occurring in loanwords from Greek, where it meant “people” (democratic ); on this model, used in the formation of compound words (demography ).
Synonyms

demo

1 American  
[dem-oh] / ˈdɛm oʊ /

noun

plural

demos
  1. demonstration.

  2. demonstrator.

  3. a recording of a new song or of one performed by an unknown singer or singing group, distributed to disc jockeys, recording companies, etc., to demonstrate the merits of the song or performer.

  4. demolition.

    He does flooring and demo for a living.


verb (used with object)

demoed, demoing
  1. to try out or exhibit the use of (a product, process, or the like).

    You can demo the game without downloading or buying it.

  2. to record (a song) to demonstrate the merits of the song or performer.

Demo 2 American  
[dem-oh] / ˈdɛm oʊ /

noun

Informal.

plural

Demos
  1. a member of the Democratic Party; Democrat.


demo- 3 American  
  1. a combining form occurring in loanwords from Greek, where it meant “people” (democratic ); on this model, used in the formation of compound words (demography ).


demo 1 British  
/ ˈdɛməʊ /

noun

  1. short for demonstration

    1. a demonstration record or tape, used for audition purposes

    2. a demonstration of a prototype system

  2. short for demonstrator

"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

demo- 2 British  

combining form

  1. indicating people or population

    demography

"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 demo1

1935–40; by shortening; see -o

Origin of Demo2

An Americanism dating back to 1785–95

Origin of demo-3

< Greek dēmo-, combining form of dêmos

Explanation

A demo is what you give to show how something works. You might give a demo of your fancy new espresso machine to your weekend guests, so they'll know how to use it. Demo is short for demonstrate or demonstration. It can be a verb, as when a tech company demos its new tablet or laptop. It's also a noun: "The demo of that software was pretty interesting." In the music industry, a demo is a practice version of a song, meant to show a record label or music venue what a performer's music sounds like. This meaning's been around since the 1960s, while earlier it meant "a political demonstration."

Keep Reading on Vocabulary.com

Vocabulary lists containing demo

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.

It received a Best Paper Honorable Mention recognition, while a demo of the research team's broader robotic feeding system received a Best Demo Award.

From Science Daily • May 9, 2024

He's not short of affection and Captain Hill says Demo has helped reduce some of the stress of being away for months on end.

From BBC • Mar. 18, 2024

Demo sessions began at Lanois’ makeshift studio in a converted movie theater in Oxnard, not far from Dylan’s home on Malibu’s Point Dume.

From Los Angeles Times • Jan. 26, 2023

So while sitting last month in Father Demo Square, in Manhattan’s West Village, Brookshire took advantage.

From New York Times • Dec. 6, 2022

Demo notched an arrow to his bow, drove it through the right rear tire of the vehicle.

From The Tarn of Eternity by Tymon, Frank