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Definition of 'concentration'

Noun

  1. (chemistry) the strength of a solution; number of molecules of a substance in a given volume (expressed as moles/cubic meter)
  2. the spatial property of being crowded together
       Synonyms: density denseness tightness compactness
       Antonyms: distribution dispersion
  3. strengthening the amount of a substance in a unit amount of another substance (as of a solute in a mixture) by removing the other substance
       Antonyms: dilution
  4. increase in density
  5. complete attention; intense mental effort
       Synonyms: engrossment absorption immersion
  6. bringing together military forces
  7. great and constant diligence and attention
       Synonyms: assiduity assiduousness


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