Demo

1. A demonstration or visual explanation.

   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.

   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.
4. A march or gathering to make a political protest.
5. An edition of limited functionality to give the user an example of how the program works.

   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.
7. A democrat.
8. (collective) A demographic group.

   The target demo of the new show will be children between 6 and 8 years old.

9. Demolition.

1. To record a demo version of a song, usually not intended for commercial release.

   The band demoed thirty songs. Their manager thought that ten of the songs would make a good record.

2. To demonstrate.

verb

To demolish (especially a house or fixture).