FRACTIONATE
fractionate
(verb) obtain by a fractional process
fractionate
(verb) separate into constituents or fractions containing concentrated constituents
Source: WordNet® 3.1
Etymology
Verb
fractionate (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.
(cryptography) To divide each plaintext symbol into several ciphertext symbols as a preliminary stage of encryption.
To use the technique of fractionation in hypnosis.
Source: Wiktionary
Frac"tion*ate, v. t.
Definition: To separate into different portions or fractions, as in the
distillation of liquids.
Source: Webster’s Unabridged Dictionary 1913 Edition