1. The strength of a solution; number of molecules of a substance in a given volume 
2. The spatial property of being crowded together
   - density, denseness, tightness, compactness 
3. Strengthening the concentration (as of a solute in a mixture) by removing diluting material 
4. Increase in density 
5. Complete attention; intense mental effort
   - engrossment, absorption, immersion 
6. Bringing together military forces 
7. Great and constant diligence and attention
   - assiduity, assiduousness

Derived forms: concentrations

See also: concentrate

Type of: assemblage, assembly, attention, diligence, gathering, increase, industriousness, industry, property, spacing, spatial arrangement, strengthening

Antonym: dilution, distribution

Encyclopedia: Concentration

• four-part harmony
• four-party
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• four-petalled
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• four-poster
• four-pounder
• four-pronged
• four-sided
• four-spot
• four-stroke engine
• four-stroke internal-combustion engine
• four-tailed bandage
• four-wheel
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• four-year-old
• fourchette
• Fourdrinier
• fourfold
• fourfold point correlation
• fourhanded
• Fourier