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levorotatory

[lee-vuh-roh-tuh-tawr-ee, -tohr-ee]
adjective Optics, Chemistry, Biochemistry.
  1. turning to the left, as the rotation to the left of the plane of polarization of light in certain crystals and compounds. Symbol: l-
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Also le·vo·ro·ta·ry [lee-vuh-roh-tuh-ree] /ˌli vəˈroʊ tə ri/.

Origin of levorotatory

First recorded in 1870–75; levo- + rotatory
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for levorotatory

Historical Examples

  • Heinemann shows116 that lactic acid exists in two optical modifications, the levorotatory and dextrorotary acids.

    The Book of Cheese

    Charles Thom and Walter Warner Fisk

  • The gums are translucent, amorphous substances, whose solutions in water are levorotatory.

    The Chemistry of Plant Life

    Roscoe Wilfred Thatcher


levorotatory in Medicine

levorotatory

(lē′və-rōtə-tôr′ē)
adj.
  1. Turning or rotating the plane of polarization of light to the left.
  2. Of or relating to a chemical solution that rotates such a plane to the left.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

levorotatory in Science

levorotatory

[lē′və-rōtə-tôr′ē]
  1. Relating to a substance that causes levorotation.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.