Dictionary definition for: Concentration
1. (n) the strength of a solution; number of molecules of a substance in a given volume (expressed as moles/cubic meter)
2. (n) the spatial property of being crowded together
3. (n) strengthening the concentration (as of a solute in a mixture) by removing extraneous material
5. (n) complete attention; intense mental effort
6. (n) bringing together military forces
7. (n) great and constant diligence and attention
WordNet 2.1 Copyright Princeton University. All rights reserved.
