• noun:   the form in which a text (especially a printed book) is published
• noun:   an issue of a newspaper

  Example: "He read it in yesterday's edition of the Times"

• noun:   all of the identical copies of something offered to the public at the same time

  Example: "The first edition appeared in 1920"

• noun:   something a little different from others of the same type

  Example: "The boy is a younger edition of his father"

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