[dek-stroh-roh-tuh-tawr-ee, -tohr-ee]
adjective Optics.
turning to the right, as the rotation to the right of the plane of polarization of light in certain crystals and the like. Symbol: d-
Also, dextrorotary [dek-stroh-roh-tuh-ree] .

1875–80; dextro- + rotatory

dextrorotation [dek-stroh-roh-tey-shuhn] , noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
dextrorotation (ˌdɛkstrəʊrəʊˈteɪʃən)
Compare laevorotation a rotation to the right; clockwise rotation, esp of the plane of polarization of plane-polarized light passing through a crystal, liquid, or solution, as seen by an observer facing the oncoming light

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

dextrorotatory dex·tro·ro·ta·to·ry (děk'strə-rō'tə-tôr'ē) or dex·tro·ro·ta·ry (-rō'tə-rē)
Turning or rotating the plane of polarization of light to the right or clockwise, as for solutions or isomers, usually designated as d- in chemical names.

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
dextrorotation   (děk'strə-rō-tā'shən)  Pronunciation Key 
The clockwise 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. Dextrorotation is caused by a particular arrangement of the atoms in a molecule of the substance. Compare levorotation.
dextrorotatory   (děk'strə-rō'tə-tôr'ē)  Pronunciation Key 
Relating to a substance that causes dextrorotation.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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