Definition of "fractionation" [frac•tion•a•tion]

• A separation process in which a certain quantity of a mixture is divided up into smaller quantities (fractions) in which the composition changes according to a gradient. (noun)

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• "Hill he worked on methods of protein fractionation collaborating with Dr.A. J. P."
• "The progress of the fractionation is monitored by activity measurements."
• "Just quick question on and clarifying on the -- in terms -- in regards to our signed long-term fractionation agreement with Targa."