CONCENTRATION

Definition

1. noun the strength of a solution.
2. noun the spatial property of being crowded together. — synonyms: density, denseness, tightness, compactness
3. noun strengthening the concentration (as of a solute in a mixture) by removing diluting material.
4. noun increase in density.
5. noun complete attention. — synonyms: engrossment, absorption, immersion
6. noun bringing together military forces.
7. noun great and constant diligence and attention. — synonyms: assiduity, assiduousness