meaning of improvement
1.  The act of improving; advancement or growth; promotion in desirable qualities; progress toward what is better; melioration; as, the improvement of the mind, of land, roads, etc. 
2.  The act of making profitable use or applicaton of anything, or the state of being profitably employed; a turning to good account; practical application, as of a doctrine, principle, or theory, stated in a discourse. 
3.  The state of being improved; betterment; advance; also, that which is improved; as, the new edition is an improvement on the old. 
4.  Increase; growth; progress; advance. 
5.  Valuable additions or betterments, as buildings, clearings, drains, fences, etc. , on premises. 
6.  A useful addition to, or modification of, a machine, manufacture, or composition. 
7.  the act of improving something; "their improvements increased the value of the 
						">property"
						 
