Noun
1. the act of making something different (as e.g. the size of a garment)
2. slightly modified copy; not an exact copy;
"a modification of last year's model"3. the grammatical relation that exists when a word qualifies the meaning of the phrase
4. an event that occurs when something passes from one state or phase to another;
"the change was intended to increase sales""this storm is certainly a change for the worse""the neighborhood had undergone few modifications since his last visit years ago"