concentration

The ability or effort to give all your attention to one thing.

• This game requires concentration.
• The noise broke my concentration while I was reading.
• Does your concentration improve after a short break?

How to use it: concentration on something (Noise interrupted her concentration on the task.)

Similar words: focus, attention

Opposites: distraction

Common phrases: lose concentration, deep concentration, concentration on something

A large amount or number of things gathered in one place or group.

• This area has a high concentration of shops.
• The map shows concentrations of people along the coast.
• They found a large concentration of oil beneath the desert.

How to use it: a concentration of something (There is a high concentration of restaurants near the station.)

Similar words: cluster, density

Common phrases: high concentration, concentration of something, large concentration

The amount of a substance mixed into a particular amount of liquid.

• The salt concentration is too high.
• Adding water lowers the concentration of the solution.
• They measured sugar concentrations in each sample.

How to use it: the concentration of something in something (We measured the concentration of salt in the water.)

Common phrases: salt concentration, concentration of something, low concentration