Levorotation

Medical Dictionary

levorotation le·vo·ro·ta·tion (lē'və-rō-tā'shən)
n.
A counterclockwise rotation, especially of the plane of polarized light.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
levorotation   (lē'və-rō-tā'shən)  Pronunciation Key 
The counterclockwise rotation of the plane of polarization of light (as observed when looking straight into the incoming light) by certain substances, such as crystals, and by certain solutions. Levorotation is caused by a particular arrangement of the atoms in a molecule of the substance. Compare dextrorotation.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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