Two enantiomers of a generic amino acid that is chiral. Chirality /kaɪˈraelɪtiː/ kaɪˈrælɪtiː is a property of symmetry important in several branches of. Science the word chirality is derived from The, greek (χειρ), kheir, hand a familiar chiral. objectn object or a system is chiral if it is distinguishable from its mirror image; that is, it cannot be superposed onto it. Conversely, a mirror image of an achiral object, such as a sphere, cannot be distinguished from the object.