concentrated liquid definition
Webster Dictionary(0.00 / 0 votes)Rate this definition: 1  Concentration(noun) the act or process of concentrating; the process of becoming concentrated, or the state of being concentrated; concentration. 2  Concentration(noun) the act or process of reducing the volume of a liquid, as by evaporation. Concentration(noun) 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.