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.

le•vo•ro•ta•to•ry

(ˌli vəˈroʊ təˌtɔr i, -ˌtoʊr i)

also le•vo•ro•ta•ry

(-ˈroʊ tə ri)

adj.

turning to the left, esp. rotating to the left of the plane of polarization of light: levorotatory crystals. Symbol: l-

[1870–75]

ThesaurusAntonymsRelated WordsSynonymsLegend:

Adj.

levorotatory - rotating to the left

levorotary, left-handed

anticlockwise, contraclockwise, counterclockwise - in the direction opposite to the rotation of the hands of a clock

Translations

levógiro

lévogyre

sinistrorso

Mentioned in

References in periodicals archive

All amino acids were used in the L-form (levorotatory).

Computational Studies of Fullerene Derivatives as Pesticide Captors

By contrast, DL-carnitine has a lower cost (Dqbrowska & Starek, 2014) concerning the pure levorotatory form.

DL-carnitine as supplementary levocarnitine source in plant-based diets to Nile tilapia (Oreochromis niloticus) fingerlings

The plasma concentration of free (Unbound) levobupivacaine is lower than that of bupivacaine racemate, because of greater protein binding of the levorotatory enantiomer.

COMPARISON OF EPIDURAL-FENTANYL AND LEVOBUPIVACAINE WITH FENTANYL AND BUPIVACAINE FOR LOWER ABDOMINAL AND LOWER LIMB SURGERIES--A PROSPECTIVE STUDY

The main psychoactive component of cannabis is THC, a major psychodysleptic, more active in its levorotatory form.

Inventory of Toxic Plants in Morocco: An Overview of the Botanical, Biogeography, and Phytochemistry Studies

The "dextrorotatory isomer" is the stereoisomer that rotates plane-polarized light to the right (also called the positive (+) enantiomer), and the "levorotatory isomer" is the stereoisomer that rotates plane-polarized light to the left (also known as the negative (-) enantiomer).

Expecting the unexpected

In humans, lactate exists predominantly in the levorotatory isoform.

Lactate, a Neglected Factor for Diabetes and Cancer Interaction

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