demo

dem|o¹ [ˈdeməu US -mou] n plural demos

[Date: 1900-2000; Origin: demonstration]

1.) a recording containing an example of someone's music that is sent to a record company so that they can decide whether to produce it or not

▪ a demo tape

2.) BrE informal an event at which a large group of people publicly protest about something

= ↑demonstration

▪ Police stood by to stop any pro-independence demos.

3.) an explanation of how something works

= ↑demonstration

4.)

a) AmE an example of a product that is used to show what it is like or how it works

▪ demo homes on the new development

b) a computer program that shows what a new piece of software will be able to do when it is ready to be sold

▪ Click here to download a demo of the new version of our personal finance software.

demo ²

demo² v [T] informal

to show or explain how something works or is done, especially new computer equipment

= ↑demonstrate

▪ They're going to demo some of the new software at this year's Mac convention.