1. (

• demonstration ,
• 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" ;

1. (

• show ,
• demo ,
• exhibit ,
• present ,
• demonstrate ,

) give an exhibition of to an interested audience; "She shows her dogs frequently"; "We will demo the new software in Washington" ;