demo

1. A demonstration or visual explanation. (informal) · The professor prepared a demo to help her class understand the topic.
2. A recording of a song meant to demonstrate its overall sound for the purpose of getting it published or recorded more fully. (informal) · After hearing the demo, the record label approved funding to record the song with a full band.
3. An example of a product used for demonstration and then sold at a discount. (informal)
4. A march or gathering to make a political protest. (informal)
5. An edition of limited functionality to give the user an example of how the program works. (informal) · The game's developers released a demo version to the public 3 months before the full release.
6. A non-interactive audiovisual computer program developed by enthusiasts to demonstrate the capabilities of the machine. See demoscene. (informal)
7. A democrat. (informal)
8. A demographic group. (informal)

Plural demos