Definition of demonstrator noun from the Oxford Advanced Learner's Dictionary

      

    demonstrator

     noun
    noun
    BrE BrE//ˈdemənstreɪtə(r)//
     
    ; NAmE NAmE//ˈdemənstreɪtər//
     
    Protest
     
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  1. 1a person who takes part in a public meeting or march in order to protest against somebody/something or to show support for somebody/something Troops opened fire on the demonstrators. pro-democracy demonstrators See related entries: Protest
  2. 2a person whose job is to show or explain how something works or is done He works as a demonstrator in anatomy at Wolfson College.
  3. Word Origin early 17th cent. (in the general sense ‘a person or thing that demonstrates or proves’): from Latin, from demonstrat- ‘pointed out’, from the verb demonstrare.Extra examples Demonstrators clashed with government soldiers in the country’s capital yesterday. Demonstrators marched on Washington. Demonstrators marched on the parliament building. Demonstrators then tried to storm the police headquarters. Police opened fire on a crowd of peaceful demonstrators. The demonstrators dispersed when the soldiers arrived. The demonstrators had gathered in the cathedral square. The demonstrators refused to disperse. Troops were brought in to disperse the demonstrators. Two student demonstrators were shot and killed. Water cannon and tear gas were used against the demonstrators. demonstrators calling for the removal of the government demonstrators carrying placards demonstrators chanting anti-war slogans demonstrators protesting against the lack of housing A procession of 30 000 demonstrators marched to the parliament building. The demonstrators marched along a route agreed with the authorities. Troops opened fire on a crowd of pro-democracy demonstrators.
See the Oxford Advanced American Dictionary entry: demonstrator