Concentration

/ˌkɒn.sənˈtreɪ.ʃən/

Meaning & Definition

noun
The action or power of focusing one's attention or mental effort.
She found it difficult to maintain her concentration while studying in a noisy environment.
The relative amount of a substance in a given quantity of a solution or mixture.
The concentration of salt in the water was too high for the fish to survive.
The mental effort that is applied to achieve a particular outcome or to accomplish a task.
He increased his concentration before the big game to enhance his performance.
A close gathering of people or things.
There was a high concentration of tourists in the city center during the festival.

Etymology

From Latin 'concentrationem', which means 'a bringing together'.

Common Phrases and Expressions

state of concentration
A condition of deep focus or absorption.
loss of concentration
An inability to maintain focus.
concentration camp
A place where large numbers of people are detained or confined.

Related Words

focus
The center of interest or activity.
intensity
The quality of being intense, having depth.
centralization
The process of concentrating control or authority.

Slang Meanings

Head in the game
I need to get my head in the game for this final exam.
Zone out
Sometimes I zone out during lectures, which hurts my concentration.