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

  • n. A counterclockwise rotation, especially of the plane of polarized light.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Rotation in an anticlockwise direction, especially such rotation of the plane of polarized light.

from the GNU version of the Collaborative International Dictionary of English

  • n. Rotation in the direction of an outgoing right-handed screw; counter-clockwise rotation; -- applied chiefly to the turning of the plane of polarization of light.

from The Century Dictionary and Cyclopedia

  • The rotation of the plane of polarization of light toward the left.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. rotation to the left


From levo- +‎ rotation (Wiktionary)


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