levorotatory

[ lee-vuh-roh-tuh-tawr-ee, -tohr-ee ]
/ ˌli vəˈroʊ təˌtɔr i, -ˌtoʊr i /

adjective Optics, Chemistry, Biochemistry.

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. 2020

Example sentences from the Web for levorotatory

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

    The Chemistry of Plant Life|Roscoe Wilfred Thatcher
  • 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

Medical definitions for levorotatory

levorotatory
[ lē′və-rōtə-tôr′ē ]

adj.

Turning or rotating the plane of polarization of light to the left.
Of or relating to a chemical solution that rotates such a plane to the left.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for levorotatory

levorotatory
[ lē′və-rōtə-tôr′ē ]

Relating to a substance that causes levorotation.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.