transitive verb-·at·ed, -·at·ing
- to separate into fractions, or parts
- Chem. to separate into fractions by crystallization, distillation, etc.
verbfrac·tion·at·ed, frac·tion·at·ing, frac·tion·ates
- To divide or separate into parts; break up: “In the post-Watergate era, power has been fractionated on Capitol Hill” ( Evan Thomas )
- To separate (a chemical mixture) into components, as by distillation or crystallization.
- To divide or separate into parts: “Languages have an extraordinary capacity to fractionate into mutually unintelligible dialects” ( Robin Dunbar )
- To undergo chemical separation, as by distillation or crystallization.
(third-person singular simple present fractionates, present participle fractionating, simple past and past participle fractionated)
- (chemistry) 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.
- (cryptography) To divide each plaintext symbol into several ciphertext symbols as a preliminary stage of encryption.
fraction + -ate?