Definition of levorotatory in English:


Syllabification: le·vo·ro·ta·to·ry
Pronunciation: /ˌlēvəˈrōtəˌtôrē
(British laevorotatory)


  • (Of a compound) having the property of rotating the plane of a polarized light ray to the left, i.e., counterclockwise facing the oncoming radiation. The opposite of dextrorotatory.
    More example sentences
    • The chemical structure of the natural form of ephedrine is levorotatory, while the synthetic ephedrine is a racemic mixture.
    • Morphine is an amphoteric pentacyclic alkaloid that exists naturally in its levorotatory form as columnar colorless prisms.
    • Hence this appeal to gastropodologists, if such a term exists, to come to the rescue and explain the unique (laevorotatory) development of the humble periwinkle.



Pronunciation: /-rōˈtāSHən/

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