improvement
im.prove.ment \im-'pru:v-m*nt\ n 1: the act or process of improving 2a: the state of being improved; esp : enhanced value or excellence 2b: an instance of such improvement : something that improves in this way
im.prove.ment \im-'pru:v-m*nt\ n 1: the act or process of improving 2a: the state of being improved; esp : enhanced value or excellence 2b: an instance of such improvement : something that improves in this way