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نتائج البحث عن Concentration
Concentration
(n.)
The act or process of concentrating; the process of becoming concentrated, or the state of being concentrated; concentration.
Concentration
(n.)
The act or process of reducing the volume of a liquid, as by evaporation.
Concentration
(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.