noun, plural dem·os.
- demonstration(defs 4, 6).
- demonstrator(def 5).
- 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.
- demolition(def 1): He does flooring and demo for a living.
verb (used with object), dem·oed, dem·o·ing.
- to try out or exhibit the use of (a product, process, or the like): You can demo the game without downloading or buying it.
- to record (a song) to demonstrate the merits of the song or performer.
noun, plural Dem·os. Informal.
- a member of the Democratic Party; Democrat.
- a combining form occurring in loanwords from Greek, where it meant “people” (democratic); on this model, used in the formation of compound words (demography).
noun plural -os informal
- short for demonstration (def. 4)
- a demonstration record or tape, used for audition purposes
- a demonstration of a prototype system
- US short for demonstrator (def. 3)
- indicating people or populationdemography
short for demonstration (tape, disc, etc.). Music recording given out for promotional purposes, 1963. The word was used earlier to mean “a public political demonstration” (1936).