improvement
Pronunciation:
/ɪmˈpɹuːvmənt/noun
Definitions
The act of improving; advancement or growth; a bettering
The act of making profitable use or application of anything, or the state of being profitably employed; practical application, for example of a doctrine, principle, or theory, stated in a discourse.
The state of being improved; betterment; advance
Something which is improved
Example: the new edition is an improvement on the old.