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concentration | the strength of a solution; number of molecules of a substance in a given volume | ||
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concentration | strengthening the concentration (as of a solute in a mixture) by removing diluting material | ||
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assiduity, concentration, assiduousness | great and constant diligence and attention | ||
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concentration | increase in density | ||
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concentration, immersion, engrossment, absorption | complete attention; intense mental effort | ||
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concentration, density, tightness, compactness, denseness | the spatial property of being crowded together | ||
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concentration | bringing together military forces |