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  1. read-on·ly
  2. adjective

    • 1. (of memory, data, or a file) able to be accessed but not modified:

      all the existing files will be converted into read-only files
    • 2. denoting a recording device that can be played but on which no further recordings can be made:

      low-priced systems come with a standard read-only drive for both CDs and DVDs