improvement
♦ im|prove|ment /ɪmpr'uːvmənt/ (improvements)
1 [N-VAR]
If there is an improvement in something, it becomes better. If you make improvements to something, you make it better.
...the dramatic improvements in organ transplantation in recent years...
2 [N-COUNT] usu sing, oft N on n
If you say that something is an improvement on a previous thing or situation, you mean that it is better than that thing.
The new Prime Minister is an improvement on his predecessor...
1 [N-VAR]
If there is an improvement in something, it becomes better. If you make improvements to something, you make it better.
...the dramatic improvements in organ transplantation in recent years...
2 [N-COUNT] usu sing, oft N on n
If you say that something is an improvement on a previous thing or situation, you mean that it is better than that thing.
The new Prime Minister is an improvement on his predecessor...