Noun
- 1. concentration, property
- usage: the strength of a solution; number of molecules of a substance in a given volume
- 2. concentration, density, denseness, tightness, compactness, spacing, spatial arrangement
- usage: the spatial property of being crowded together
- 3. concentration, strengthening
- usage: strengthening the concentration (as of a solute in a mixture) by removing diluting material
- 4. concentration, increase
- usage: increase in density
- 5. concentration, engrossment, absorption, immersion, attention
- usage: complete attention; intense mental effort
- 6. concentration, assembly, assemblage, gathering
- usage: bringing together military forces
- 7. assiduity, assiduousness, concentration, diligence, industriousness, industry
- usage: great and constant diligence and attention
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