[ dee-mos ]
/ ˈdi mɒs /


the common people of an ancient Greek state.
the common people; populace.
Sociology. a people viewed as a political unit.

Origin of demos

1770–80; < Greek dêmos district, people; cf. demo-

Definition for demos (2 of 3)


[ dem-oh ]
/ ˈdɛm oʊ /

noun, plural dem·os.

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.

Origin of demo

1935–40; by shortening; see -o

Definition for demos (3 of 3)


[ dem-oh ]
/ ˈdɛm oʊ /

noun, plural Dem·os. Informal.

a member of the Democratic Party; Democrat.

Origin of Demo

An Americanism dating back to 1785–95 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for demos

British Dictionary definitions for demos (1 of 2)


/ (ˈdiːmɒs) /


the people of a nation regarded as a political unit
rare the common people; masses

Word Origin for demos

C19: from Greek: the populace; see deme

British Dictionary definitions for demos (2 of 2)


/ (ˈdɛməʊ) /

noun plural -os informal

  1. a demonstration record or tape, used for audition purposes
  2. a demonstration of a prototype system
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

Word Origin and History for demos



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).

Online Etymology Dictionary, © 2010 Douglas Harper