adjective

• (chiefly of a molecule) symmetric in such a way that it can be superimposed on its mirror image; not chiral.

  ‘Chiral molecules are not superposable; achiral molecules are.’

  More example sentences

  • ‘A generalization to molecular crystals built up from dipolar but achiral molecules was recently presented.’
  • ‘Possible couplings might be fluorinated groups with hydrocarbons, hydrophilic and hydrophobic moieties, siloxanes, and hydrocarbons, etc, and in the present case, chiral and achiral halves.’
  • ‘But what we learn in chemistry is that chiral objects cannot be distinguished by an achiral probe.’
  • ‘There was one case of achiral cord and one case of hypocoiled cord in our study.’