concentration
US /ˌkɑ:nsnˈtreɪʃn/
・UK /ˌkɒnsnˈtreɪʃn/
A2
noun
- Amount or number of something in a thing or place
- Paying (a lot of) attention to a task
- Amount of substance, compared to others
Examples
She has great powers of concentration for a child her age.
The greatest concentration of traffic is in the city centre.