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demonstrate

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verb American English pronunciation: demonstrate /ˈdemənˌstreɪt/ 
Word Forms
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present tense
I/you/we/theydemonstrate
he/she/itdemonstrates
present participledemonstrating
past tensedemonstrated
past participledemonstrated
  1. 1
    [transitive] to show someone how to do something by doing it yourself

    Various techniques will be demonstrated.

  2. 2
    [transitive] to show clearly that something is true or that it exists

    an experiment intended to demonstrate the importance of family relationships

    demonstrate that:

    The study demonstrates that cigarette advertising does encourage children to smoke.

  3. 3
    [intransitive] to protest about something with other people in a public place

    the right to demonstrate peacefully

    demonstrate against:

    Hundreds of students had gathered to demonstrate against the budget cuts.

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