Fractionation
Full definition of fractionation
Noun
fractionation
(countable and uncountable; plural fractionations)- (chemistry) A separation process in which a certain quantity of a mixture is divided up into smaller quantities (fractions) in which the composition changes according to a gradient.Methane is separated from other hydrocarbons in a gas fractionation plant.
- (cryptography) A preliminary stage of encryption that divides each plaintext symbol into several ciphertext symbols.