Concentrate Sign Video
Upload On Wed Aug 08 2012 by ASL STEM
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Definition
1. to increase the strength of (a dissolved substance in a solution), either by adding more of it or by evaporating the solvent in which it is dissolved. 2. to make (a chemical substance) denser or purer.
Source: Chambers 21st Century Dictionary. London: Chambers Harrap, 2001. Credo Reference. Web. 07 August 2012.
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