from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of or relating to the structural characteristic of a molecule that makes it impossible to superimpose it on its mirror image.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Of an object that exhibits chirality, as in the left-handed and right-handed versions of a helix.

from The Century Dictionary and Cyclopedia

  • Of or pertaining to the hand. See chirality.


chir(o)- + -al1.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Ancient Greek χείρ (kheir, "hand"). (Wiktionary)


  • The word chiral comes from the Greek word cheir, which means hand.

    The Nobel Prize in Chemistry 2001 - Information for the Public

  • The term chiral is used to describe an object or molecule that cannot be superimposed on its mirror image, with the two objects being referred to as enantiomers.

    LabTechnologist RSS

  • The word chiral derives from the Greek word ceir (cheir), meaning hand.

    The Nobel Prize in Chemistry 2001

  • The term chiral is derived from a word in ancient Greek, meaning hand.

    The Nobel Prize in Chemistry 1975 - Presentation Speech

  • "chiral" comes from the Greek meaning "hand" and signifies that the molecules can have two forms differing from one another as the right hand does from the left.

    Press Release: The 1975 Nobel Prize in Chemistry

  • The phenomenon is known as the chiral magnetic effect - "chiral" means "distinguishing left from right," and it happens when you put the quark-gluon plasma in a magnetic field.


  • As a certain type of electrons, called chiral Dirac electrons, speed through the graphene, they can mimic the behavior of exotic subatomic particles, including quarks, which are studied by physicists using high-energy particle accelerators.

    Nano Tech Wire

  • Soukoulis and his teammates, including Ames Laboratory assistant scientist Thomas Koschny, were the first to study the use of exotic materials known as chiral metamaterials as a way to harness the Casimir effect.

    Nano Tech Wire

  • Such molecules are called "chiral" after the Greek work cheir meaning hand.

    The Nobel Prize in Chemistry 2001 - Presentation Speech

  • I'm not sure I understand "chiral" though, how does "handed" convey the idea of …



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