AskDefine | Define fractionate

Dictionary Definition



1 separate into constituents or fractions containing concentrated constituents
2 obtain by a fractional process

User Contributed Dictionary



  1. To separate (a mixture) into its individual constituents by exploiting differences in some chemical or physical property, such as boiling point, particle size, solubility etc.
    Crude oil is fractionated in a refinery to produce a number of different petroleum products.

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