Definition of functional group in English:

functional group

noun

Chemistry
  • A group of atoms responsible for the characteristic reactions of a particular compound.

    • ‘Condensation reactions depend on a repeated reaction between functional groups on the monomers.’
    • ‘The oxygen atom of an ether functional group has two lone pairs of electrons.’
    • ‘The nature and strength of these interactions depend on the types of groups of atoms or functional groups that comprise the molecules.’
    • ‘Methyl lithium is very reactive and acts as a nucleophilic methylating reagent to electrophilic functional groups, such as ketones.’
    • ‘The nature and strength of these interactions depends on the types atom groups or functional groups that comprise the molecules.’