Dictionary.com

levorotatory

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

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-

QUIZZES

QUIZ YOURSELF ON "EVOKE" VS. "INVOKE"!

Call upon your favorite grammar inspirations to tackle this quiz on the differences and uses of "evoke" and "invoke."
Question 1 of 7
“Evoke” and “invoke” both derive from the same Latin root “vocāre.”

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing

Meet Grammar Coach

Improve Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help
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. 2021

How to use levorotatory in a sentence

  • 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

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.
FEEDBACK