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

• scatter rug
• scatterbrain
• scatterbrained
• scattered
• throne
• throng
• thronged
• throstle
• throttle
• throttle valve
• throttlehold
• throttler
• throttling
• through
• through an experiment
• through and through
• through empirical observation
• through with
• throughout
• throughput
• throughway
• throw
• throw a fit
• throw a spanner in the works
• throw a wobbly