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Defenition of the word trackball

    • Defenition of the word trackball

      • an electronic device consisting of a rotatable ball in a housing; used to position the cursor and move images on a computer screen; "a trackball is essentially an upside-down mouse"
      • an electronic device consisting of a rotatable ball in a housing; used to position the cursor and move images on a computer screen

    Hypernyms for the word trackball

      • electronic device

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