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   Dem·on·stra·tion

   /ˌdemənˈstrāSH(ə)n/

   

   noun

   • 1. the action or process of showing the existence or truth of something by giving proof or evidence: "it is not capable of mathematical demonstration" Similar proofsubstantiationconfirmationaffirmationcorroborationverificationvalidationevidenceindicationwitnesstestament
   • ▪ the outward showing of feeling: "physical demonstrations of affection" Similar manifestationindicationrevelationsignmarktokenembodimentrecordexpressionrare:evincement
   • 2. a practical exhibition and explanation of how something works or is performed: "a microwave cooking demonstration" Similar exhibitionpresentationdisplayillustrationdemotasterexpositionteach-in
   • 3. a public meeting or march protesting against something or expressing views on a political issue: "a pro-democracy demonstration" Similar protestdemoprotest marchmarchparaderallylobbysit-insleep-indie-instoppagestrikewalkoutpicketpicket lineblockademorchagheraohartal

   Word Origin late Middle English (also in the senses ‘proof provided by logic’ and ‘sign, indication’): from Latin demonstratio(n-), from demonstrare ‘point out’ (see demonstrate). demonstration (sense 3) dates from the mid 19th century.

   Derivatives

   • 1. demonstrational adjective

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