fractionation

English dictionary entry

Meanings

noun
  1. 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; an instance of this process.
  2. The division of a total dose of radiation into fractions.
  3. A preliminary stage of encryption that divides each plaintext symbol into several ciphertext symbols.
  4. A form of hypnosis where the patient is made to enter and leave a trance state many times in quick succession.

Word forms

fractionation fractionations

Etymology

By surface analysis, fraction + -ation, or, by surface analysis, fractionate + -ion.

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