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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 thoughtattentivenessapplicationOpposite inattentiondistraction
    • 2. a close gathering of people or things: "the island has the greatest concentration of seabirds in the north-west" Similar gatheringclustermassflock

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    More definitions, origin and scrabble points

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

    a large number or amount of something in the same place: There is a heavy concentration of troops in the area. [ C or U ] chemistry specialized. the exact amount of one particular substance that is found in another substance: a concentration of one part per million. High concentrations of toxic elements were found in the polluted areas.

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

    The meaning of CONCENTRATION is the act or process of concentrating : the state of being concentrated; especially : direction of attention to a single object. How to use concentration in a sentence.

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

    We can define the concentration of a solution as the amount of solute present in a quantity of the solvent. pH is a measure of the concentration of hydrogen ions in a solution. The concentration of a substance is the amount of another specified substance in a unit amount of that substance.

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

    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.

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

    CONCENTRATION meaning: 1. the ability to think carefully about something you are doing and nothing else: 2. a large…. Learn more.

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

    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/

  8. www.oxfordlearnersdictionaries.com › us › definitionconcentration noun - Definition, pictures, pronunciation and...

    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.

  9. www.oed.com › dictionary › concentration_nconcentration, n. meanings, etymology and more - Oxford English...

    There are 15 meanings listed in OED's entry for the noun concentration, three of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

  10. www.oxfordlearnersdictionaries.com › definition › american_englishconcentration noun - Definition, pictures, pronunciation and...

    noun. /ˌkɑnsnˈtreɪʃn/. [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.

  11. dictionary.cambridge.org › dictionary › learner-englishCONCENTRATION | meaning - Cambridge Learner's Dictionary

    CONCENTRATION definition: 1. the ability to think carefully about something you are doing and nothing else 2. a large number…. Learn more.