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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"

   Scrabble Points: 17

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