0 an occasion when something gets better or when you make it better: --
1 the process of making something better or of getting better: --
2 the fact of something getting better, or the act of making something better: --
areas/opportunities/room for improvement
improvement on/over sth It is unlikely that the current year will see any improvement on the $2.19bn net profit achieved in the year to June.
need/show/see improvement August appeared to show improvement in the job market.
signs of improvement
constant/continued/significant improvement
3 a situation that is better than it was before, or a change that makes a situation better: --
improvement to/in sth They plan to make incremental improvements to existing products and services.
performance/product/quality improvements
The farmers provided various suggestions for possible improvements in the distribution of available irrigation water.
The results showed significant improvement after training across age groups.
Moreover, the researchers observed that improvement in attentional skills tended to be associated with a reduction in aggression and higher sociability.
Alternatively, a manualized and structured therapy may have brought about more improvement or a therapy using a different theoretical orientation.
Differential improvements in schizophrenia symptoms and relapse rates (hospitalization) observed in subjects on olanzapine can partially explain current findings.
Participants in both intervention and control groups showed significant improvement in mood symptoms over time.
These improvements could also complement and even enhance the benefits of drugs that help with the symptoms of dementia.
It is supposed that these improvements of clinical symptoms are based on inhibition of vasoconstriction and platelet aggregation in pulmonary circulation.
