levorotatory

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adjective

(of an optically active compound or crystal) That rotates the plane of polarized light to the left, or counter-clockwise. Notation: (−) or formerly lowercase l-.

“Levofloxacin is the levorotatory enantiomer of the medication ofloxacin.”

Scrabble 18

Meanings

adjectivelevorotatory (not comparable)

alternative laevorotatory · alternative lævorotatory

  1. not comparablechemistry(of an optically active compound or crystal) That rotates the plane of polarized light to the left, or counter-clockwise. Notation: (−) or formerly lowercase l-.

    Levofloxacin is the levorotatory enantiomer of the medication ofloxacin.

    Synonyms: levogyre, levogyrate, levo, sinistrorotatory, sinistrogyre, l-, lev-, levo-

Synonyms & antonyms

adjective(of an optically active compound or crystal) That rotates the plane of polarized light to the left, or counter-clockwise. Notation: (−) or formerly lowercase l-.

More synonyms by meaning

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*leh₂iwos
  2. Latinlaevus
  3. Englishlevo-
  4. Englishrotatory
  5. Englishlevorotatory

From levo- + rotatory.

Full word history & related roots →

Translations

French lévogyre
  • lévogyrethat rotates the plane of polarized light to the left
German linksdrehend
  • linksdrehendthat rotates the plane of polarized light to the left
Greek αριστερόστροφος
  • αριστερόστροφος (aristeróstrofos)that rotates the plane of polarized light to the left
Italian levogiro, sinistrorso
  • levogirothat rotates the plane of polarized light to the left
  • sinistrorsothat rotates the plane of polarized light to the left
Portuguese levógiro
  • levógirothat rotates the plane of polarized light to the left
Spanish levógiro
  • levógirothat rotates the plane of polarized light to the left
Cite this entry
APA

levorotatory. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/levorotatory

MLA

“levorotatory.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/levorotatory. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “levorotatory,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/levorotatory.

Source: levorotatory on Wiktionary, CC BY-SA 4.0.