concentration

1. n. The act or process of concentrating; the process of becoming concentrated, or the state of being concentrated; concentration. Source: opted

2. n. The act or process of reducing the volume of a liquid, as by evaporation. Source: opted

3. n. The act or process of removing the dress of ore and of reducing the valuable part to smaller compass, as by currents of air or water. Source: opted

4. n. the strength of a solution; number of molecules of a substance in a given volume Source: wordnet

5. n. the spatial property of being crowded together Source: wordnet

6. n. strengthening the concentration (as of a solute in a mixture) by removing diluting material Source: wordnet

7. n. increase in density Source: wordnet

8. n. complete attention; intense mental effort Source: wordnet

9. n. bringing together military forces Source: wordnet

10. n. great and constant diligence and attention Source: wordnet

11. 1. The act or process of concentrating; the process of becoming concentrated, or the state of being concentrated; concentration. Concentration of the lunar beams. Boyle. Intense concetration of thought. Sir J. Herschel. 2. The act or process of reducing the volume of a liquid, as by evaporation. The acid acquires a higher degree of concentration. Knight. 3. (Metal.) The act or process of removing the dress of ore and of reducing the valuable part to smaller compass, as by currents of air or water. Source: webster

12. The act or process of removing the dress of ore and of reducingthe valuable part to smaller compass, as by currents of air or water. Source: adambom

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