definition of
demonstration

[1] #1 demonstration n. [presentation, presentment] a show or display; the act of presenting something to sight or view; "the presentation of new data"; "he gave the customer a demonstration". wn

[2] #2 demonstration n. a show of military force or preparedness; "he confused the enemy with feints and demonstrations". wn

[3] #3 demonstration n. [manifestation] a public display of group feelings (usually of a political nature); "there were violent demonstrations against the war". wn

[4] #4 demonstration n. [monstrance] proof by a process of argument or a series of proposition proving an asserted conclusion. wn

[5] #5 demonstration n. [demo] a visual presentation showing how something works; "the lecture was accompanied by dramatic demonstrations"; "the lecturer shot off a pistol as a demonstration of the startle response". wn