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1. Dictionary

   concentration

   /ˌkɒnsnˈtreɪʃn/

   noun

   • 1. the action or power of focusing all one's attention: "she was frowning in concentration" Similar close attentionclose thoughtattentivenessapplicationindustryassiduousnesssingle-mindednessabsorptionengrossmentfocusingcentringcentralizationdirectionOpposite inattentiondistraction
   • ▪ dealing with one particular thing above all others: "concentration on the needs of the young can mean that the elderly are forgotten"
   • 2. a close gathering of people or things: "the island has the greatest concentration of seabirds in the north-west" Similar gatheringclustermassflockcongregationassemblageassemblycollectionaccumulationaggregationagglomeration
   • ▪ the action of gathering together closely: "the concentration of power in the hands of nobles"
   • 3. the relative amount of a particular substance contained within a solution or mixture or in a particular volume of space: "the gas can collect in dangerous concentrations"
   • ▪ the action of strengthening a solution by the removal or reduction of the diluting agent or by the selective accumulation of atoms or molecules: "by concentration of cell contents and supercooling, frost-hardened plant tissues survive temperatures down to −10°C"

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2. dictionary.cambridge.org › dictionary › englishCONCENTRATION | English meaning - Cambridge Dictionary

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   Learn the meaning of concentration in English with different contexts and usage. Find out how to use concentration as a noun in various domains, such as attention, amount, game, and substance.

   • English (US)

     CONCENTRATION meaning: 1. the ability to think carefully...

   • Znaczenie Concentration, Definicja W Cambridge English Dictionary

     concentration definicja: 1. the ability to think carefully...

   • Market Concentration

     MARKET CONCENTRATION definition: the degree to which a small...

3. www.merriam-webster.com › dictionary › concentrationConcentration Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › concentration

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   Learn the meaning of concentration as a noun, with synonyms, examples, and word history. Find out how to use concentration in different contexts, such as academics, chemistry, or psychology.

4. Videos

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5. dictionary.cambridge.org › us › dictionaryCONCENTRATION definition | Cambridge English Dictionary

   dictionary.cambridge.org › us › dictionary

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   Learn the meaning of concentration in English with different contexts and usage. Find out how to use concentration as a noun in various domains, such as attention, amount, game, and substance.

6. www.dictionary.com › browse › concentrationCONCENTRATION Definition & Meaning | Dictionary.com

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   noun. the act of concentrating; the state of being concentrated. exclusive attention to one object; close mental application. something concentrated: a concentration of stars. Military. the assembling of military or naval forces in a particular area in preparation for further operations.

7. www.collinsdictionary.com › dictionary › englishCONCENTRATION definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › dictionary › english

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   Learn the meaning of concentration as a noun in different contexts, such as mental focus, substance proportion, military force, or academic field. See synonyms, pronunciation, and usage examples from various sources.

8. www.vocabulary.com › dictionary › concentrationConcentration - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › concentration

   noun. complete attention; intense mental effort. synonyms: absorption, engrossment, immersion. see more. noun. great and constant diligence and attention. synonyms: assiduity, assiduousness. see more. Pronunciation. US. /ˈkɑnsənˌtreɪʃən/

9. www.oxfordlearnersdictionaries.com › english › concentrationconcentration noun - Definition, pictures, pronunciation and...

   www.oxfordlearnersdictionaries.com › english › concentration

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   noun. /ˌkɒnsnˈtreɪʃn/ /ˌkɑːnsnˈtreɪʃn/ [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.