26984 words

concentration

10 definitions • 16 examples
1
the ability to think carefully about something you are doing and nothing else:

Examples:

The noise outside made concentration difficult.
There was a look of intense concentration on her face.
I find that yoga improves my powers of concentration.
It was hard to follow what the teacher was saying, and eventually I lost concentration.
The party's concentration on tax reduction has won them a lot of support.
2
a large number or amount of something in the same place:

Examples:

There is a heavy concentration of troops in the area.
3
the exact amount of one particular substance that is found in another substance:

Examples:

a concentration of one part per million
High concentrations of toxic elements were found in the polluted areas.
4
a card game in which players use their memory to try to find pairs of matching cards, turning over two cards at a time from a set of cards that are spread out face (= picture side) down
5
a large amount of something in the same place:

Examples:

[ C ] There’s a heavy concentration of poor and elderly in the district.
6
a lot of attention and thought directed to an activity or subject:

Examples:

He had a look of intense concentration on his face.
7
the amount of a substance that is mixed with water or another substance
8
the fact of there being a large number or amount of people or things of the same type in the same place:

Examples:

The state's highest concentration of wealth is in the metro areas.
Denver has one of the biggest concentrations of tech workers in the country.
9
the fact of things being combined into a single group, or controlled by the same person or organization:

Examples:

This situation has resulted in the concentration of the industry in the hands of a few multinational companies.
10
the ability to give all of your attention to one particular activity, subject, or problem:

Examples:

Low costs and concentration on core business activities form the basis of our success.
Many of the mistakes she made in the job were due to a lack of concentration.

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