concentration definition, concentration meaning | English dictionary

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concentration

  

      n  
1    intense mental application; complete attention  
2    the act or process of concentrating  
3    something that is concentrated  
4    the strength of a solution, esp. the amount of dissolved substance in a given volume of solvent, usually expressed in moles per cubic metre or cubic decimetre (litre).,   (Symbol)    c  
5    the process of increasing the concentration of a solution  
6      (Military)  
a    the act of bringing together military forces  
b    the application of fire from a number of weapons against a target  
7      (Economics)   the degree to which the output or employment in an industry is accounted for by only a few firms  
8       another name (esp. U.S.) for       Pelmanism  


concentration camp  
      n   a guarded prison camp in which nonmilitary prisoners are held, esp. one of those in Nazi Germany in which millions were exterminated  
English Collins Dictionary - English Definition & Thesaurus  
Collins
Pelmanism  
      n  
1    a system of training to improve the memory  
2    often not cap     (Also called)    pairs     (esp. U.S.)   concentration          a memory card game in which a pack of cards is spread out face down and players try to turn up pairs with the same number  
     (named after the Pelman Institute, founded in London in 1898)  


concentration         
      n  
1    intense mental application; complete attention  
2    the act or process of concentrating  
3    something that is concentrated  
4    the strength of a solution, esp. the amount of dissolved substance in a given volume of solvent, usually expressed in moles per cubic metre or cubic decimetre (litre).,   (Symbol)    c  
5    the process of increasing the concentration of a solution  
6      (Military)  
a    the act of bringing together military forces  
b    the application of fire from a number of weapons against a target  
7      (Economics)   the degree to which the output or employment in an industry is accounted for by only a few firms  
8       another name (esp. U.S.) for       Pelmanism  
concentration camp  
      n   a guarded prison camp in which nonmilitary prisoners are held, esp. one of those in Nazi Germany in which millions were exterminated  

English Collins Dictionary - English Definition & Thesaurus  

Collins

concentration

  
1    absorption, application, heed, single-mindedness  
2    bringing to bear, centralization, centring, combination, compression, consolidation, convergence, focusing, intensification  
3    accumulation, aggregation, cluster, collection, convergence, horde, mass  
  
Antonyms     
  
1    absent-mindedness, disregard, distraction, inattention  
2 & 3    diffusion, dispersal, scattering, spreading-out  

English Collins Dictionary - English synonyms & Thesaurus  

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