Definitions of modification:

  • noun:   slightly modified copy; not an exact copy
    Example: "A modification of last year's model"
  • noun:   the grammatical relation that exists when a word qualifies the meaning of the phrase
  • noun:   the act of making something different (as e.g. the size of a garment)
  • noun:   an event that occurs when something passes from one state or phase to another
    Example: "The neighborhood had undergone few modifications since his last visit years ago"