Definition of chiral in English:

chiral

adjective

Chemistry
  • Asymmetric in such a way that the structure and its mirror image are not superimposable.

    • ‘The second type is the cholesteric liquid crystal phase, also called the chiral nematic liquid crystal phase.’
    • ‘A molecule that is not symmetric - that is, a molecule without a plane of symmetry - is termed dissymmetric, or chiral.’
    • ‘Most alkaloids are also chiral molecules, meaning they have nonsuperimposable mirror images.’
    • ‘The resulting chiral nematic giant liquid crystals had wide temperature ranges for their liquid crystal phases, from room temperature to about 80° Celsius.’
    • ‘The most common examples of chiral molecules are enantiomers.’

Origin

Late 19th century: from Greek kheir ‘hand’ + -al.

Pronunciation

chiral

/ˈkʌɪr(ə)l/