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definition of the word concentration

by the Wiktionnary

Wikipedia has an article on:
Concentration (chemistry)




concentration (plural concentrations)

  1. The amount of solute in a solution measured in parts per million (ppm)
  2. The act, process or ability of concentrating; the process of becoming concentrated, or the state of being concentrated; concentration.
  3. The act, process or product of reducing the volume of a liquid, as by evaporation.
  4. 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.

Definition from Wiktionary
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