01 n. The act or process of concentrating; the process of becoming concentrated, or the state of being concentrated; concentration.
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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.
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2.
The act or process of reducing the volume of a liquid, as by evaporation.“The acid acquires a higher degree of concentration.” — Knight.
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3.
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.(Metal.)