- [uncountable] the ability to direct all your effort and attention on one thing, without thinking of other things
- This book requires a great deal of concentration.
- Tiredness affects your powers of concentration.
- One momentary lapse in concentration could prove fatal.
- He has a poor concentration span (= cannot concentrate for long).
Extra Examples- Don's voice from outside broke my concentration.
- She has great powers of concentration for a child her age.
- The game requires great concentration.
- a look of total concentration on her face
- The noise had disturbed his concentration.
- The manager criticized the players for showing a lack of concentration.
Oxford Collocations Dictionaryadjective- deep
- great
- intense
- …
- demand
- need
- require
- …
- lapse
- concentration on
- a lack of concentration
- a lapse in concentration
- a lapse of concentration
- …
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- [uncountable] concentration (on something) the process of people directing effort and attention on a particular thing
- He stressed the need for greater concentration on environmental issues.
- In his concentration on the job in hand, John allowed his normal vigilance to slip.
- [countable] concentration (of something) a lot of something in one place
- a concentration of industry in the north of the country
Extra Examples- The greatest concentration of traffic is in the city centre.
- The greatest concentration of traffic is downtown.
Oxford Collocations Dictionaryadjective- elevated
- great
- heavy
- …
- increase
- decrease
- reduce
- …
- increase
- rise
- decrease
- …
- [countable, uncountable] the amount of a substance in a liquid or in another substance
- glucose concentrations in the blood
Extra Examples- Evaporation gradually increases the salt concentration of the water.
- The concentration of nitrates in the drinking water has risen in recent years.
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concentration