WordWeb Online

1. A show or display; the act of presenting something to sight or view
   "he gave the customer a demonstration";
   - presentation, presentment
    
2. (military) a show of military force or preparedness
   "he confused the enemy with feints and demonstrations"
    
3. A public display of group feelings (usually of a political nature), esp. an organized march protesting about something
   "there were violent demonstrations against the war";
   - manifestation, demo [Brit, informal]
    
4. Proof by a process of argument or a series of proposition proving an asserted conclusion
   - monstrance [archaic]
    
5. A visual presentation showing how something works
   "the lecturer shot off a pistol as a demonstration of the startle response";
   - demo

Derived forms: demonstrations

Type of: dissent, objection, proof, protest, show, visual communication

Encyclopedia: Demonstration