(~s)
1.
An ~ is a small change that is made to something such as a machine or a way of doing something.
Compensation could be made by ~s to taxation...
Investment is up by 5.7% after ~ for inflation.
N-COUNT: oft N to/for/in n
2.
An ~ is a change in a person’s behaviour or thinking.
He will have to make major ~s to his thinking if he is to survive in office.
N-COUNT: oft N to n