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v. frac·tion·at·ed, frac·tion·at·ing, frac·tion·ates
1. To divide or separate into parts; break up: "In the post-Watergate era, power has been fractionated on Capitol Hill" (Evan Thomas).
2. To separate (a chemical mixture) into components, as by distillation or crystallization.
1. To divide or separate into parts: "Languages have an extraordinary capacity to fractionate into mutually unintelligible dialects" (Robin Dunbar).
2. To undergo chemical separation, as by distillation or crystallization.

frac′tion·a′tion n.
frac′tion·a′tor n.


The separation of a chemical compound into components, as by distillation or crystallization.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.fractionation - a process that uses heat to separate a substance into its components
destructive distillation - heating a solid substance in a closed container and collecting the volatile products
fractional distillation - fractionation of a liquid by distillation
industrial process - a systematic series of mechanical or chemical operations that produce or manufacture something
2.fractionation - separation into portions
division - the act or process of dividing


n. fraccionamiento, 1. administración de un curso de terapia durante un período extendido de tiempo para disminuir daño radioactivo 2. separación de una mezcla y sus componentes.
References in periodicals archive ?
Size fractionation is based on the observation that SOM in sand size fraction (greater than 53 um), is often more labile than SOM in clay and silt size fractions (Table 6).
Characterization of cDNA library and Generation of expressed sequence tags: The cDNA size fractionation was carried out using CHROMA SPIN-400 column (Fig.
Size fractionation of cell-free DNA in maternal plasma improves the de tection of a paternally inherited beta-thalassemia point mutation by MALDI-TOF mass spectrome try.