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Valid in these dictionaries

TWL/NWL (Scrabble US/CA/TH)
SOWPODS/CSW (Scrabble UK / ALL)
ENABLE (Words with Friends)

Meaning of concentration

1 definition found

From WordNet (r) 3.0 (2006) [wn]:

  concentration
      n 1: the strength of a solution; number of molecules of a
           substance in a given volume
      2: the spatial property of being crowded together [syn:
         {concentration}, {density}, {denseness}, {tightness},
         {compactness}] [ant: {dispersion}, {distribution}]
      3: strengthening the concentration (as of a solute in a mixture)
         by removing diluting material [ant: {dilution}]
      4: increase in density
      5: complete attention; intense mental effort [syn:
         {concentration}, {engrossment}, {absorption}, {immersion}]
      6: bringing together military forces
      7: great and constant diligence and attention [syn: {assiduity},
         {assiduousness}, {concentration}]

Source : WordNet ® Princeton University. 2010.

Use this dictionary checker to learn more about a word - find out its meaning and also make sure whether that word is a valid word in any of these dictionaries (used by popular word games). Here is the list of dictionaries it checks for :

OCTWL / TWL : The official dictionary for scrabble game in United States, Canada and Thailand.
SOWPODS / CSW : UK and the rest of the world uses this dictionary for various word games including scrabble.
ENABLE - This is the default dictionary for Words with Friends.

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