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English definition of “demonstration”

demonstration

noun uk   /ˌdem.ənˈstreɪ.ʃən/ us  

demonstration noun (SHOW)

C1 [C or U] the act of showing someone how to do something, or how something works: This disaster is a clear demonstration of the need for tighter controls. Let me give you a demonstration of how the camera works. She told us how easy it was to use the computer, then by way of demonstration simply pressed a few keys on the keyboard. We're going to a cookery demonstration tonight.

demonstration noun (PROTEST)

B2 [C] (informal demo) an occasion when a group of people march or stand together to show that they disagree with or support something or someone: The students are holding a demonstration to protest against the increase in their fees. Protesters staged an anti-war demonstration.

demonstration noun (EXPRESSION)

[C or U] a way of expressing a feeling or a quality: Huge crowds followed the funeral procession in a public demonstration of grief. There has been little demonstration of support for the proposal so far.
(Definition of demonstration from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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