levorotary

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le·vo·ro·ta·to·ry

 (lē′və-rō′tə-tôr′ē) also le·vo·ro·ta·ry (-tə-rē)
adj. Symbol l-
Of or relating to an optically active substance that rotates the plane of polarized light to the left, or counterclockwise (when looking toward the light source): Only levorotatory amino acids are biologically active.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

levorotary

(ˌliːvəʊˈrəʊtərɪ)
adj
rotating anticlockwise
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.levorotary - rotating to the left
anticlockwise, contraclockwise, counterclockwise - in the direction opposite to the rotation of the hands of a clock
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
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References in periodicals archive
The multistep syntheses reverse the direction of the optical rotation from levorotary to dextrorotatory.
The samples weighed 200-400g and were conveyed to the levorotary of the Department of Microbiology of the Ahmadu Bello University, Zaria until required.
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