The definition of chromatography is a process of separating out different parts of chemical mixtures onto an absorbent material that can then be individually analyzed because different parts are caught on the material at different rates.(noun)
An example of chromatography is when a chemical reaction is used to cause each of the different size molecules in a liquid compound to separate into their own parts on a piece of paper.
See chromatography in Webster's New World College Dictionary
Origin: chromato- + -graphy
See chromatography in American Heritage Dictionary 4
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