improvement ( improvements plural )
1 n-var If there is an improvementin something, it becomes better. If you make improvementsto something, you make it better.
...the dramatic improvements in organ transplantation in recent years...
2 n-count If you say that something is animprovementon a previous thing or situation, you mean that it is better than that thing.
usu sing, oft N on n
The new Prime Minister is an improvement on his predecessor...
Translation English Cobuild Collins Dictionary
1 advancement, amelioration, amendment, augmentation, betterment, correction, face-lift, gain, rectification
2 advance, development, enhancement, furtherance, increase, progress, rally, recovery, reformation, rise, upswing
English Collins Dictionary - English synonyms & Thesaurus
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