Definitions for fractionateˈfræk ʃəˌneɪt
Random House Webster's College Dictionary
frac•tion•ateˈfræk ʃəˌneɪt(v.t.)-at•ed, -at•ing.
to separate or divide into component parts.
to separate (a mixture) into ingredients or into portions having different properties.
to obtain by such a process.
Origin of fractionate:
separate into constituents or fractions containing concentrated constituents
obtain by a fractional process
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.
to separate into different portions or fractions, as in the distillation of liquids