levogyre

/ˈliːvəˌdʒaɪər/
adjective
  1. Turning or rotating to the left, or counterclockwise.
    • The levogyre motion of the ceiling fan was unusual for most people.
    • In chemistry, a levogyre compound rotates plane-polarized light to the left.
    • The dancer's levogyre spin was perfectly executed during the performance.
noun
  1. A substance or object that rotates to the left, especially in chemistry (an optical isomer that rotates polarized light counterclockwise).
    • Many natural sugars are dextrogyres, but some rare sugars are levogyres.
    • The student learned to distinguish a levogyre from a dextrogyre using a polarimeter.
    • The lab technician identified the sample as a levogyre based on its optical activity.
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