Definition of fractionation in English:

fractionation

noun

Chemistry
  • See fractionate

    • ‘Minimal fractionation accompanies the precipitation of pyrite from dissolved sulphide.’
    • ‘Conservative analysis of our systematic fractionation of yeast cytosolic and nuclear extracts resolved 12 chromatographically separable activities.’
    • ‘What is emerging in the place of the old multilateral approach, it appears, is a multiple fractionation of the global trading system.’
    • ‘This separation creates significant fractionation during the redistribution of the chemical elements between the two liquids.’
    • ‘The fractionation, separation of active components and clarification of their mechanism of action are currently under investigation.’

Pronunciation

fractionation

/frakʃ(ə)ˈneɪʃ(ə)n/