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词汇 laevorotatory
释义

Definition of laevorotatory in English:

laevorotatory

(US levorotatory)
adjectiveˌliːvəʊˈrəʊtət(ə)riˌlivəˈroʊdəˌtɔri
Chemistry
  • (of a compound) having the property of rotating the plane of a polarized light ray to the left, i.e. anticlockwise facing the oncoming radiation.

    〔化〕(化合物)左旋性的

    The opposite of dextrorotatory
    Example sentencesExamples
    • The chemical structure of the natural form of ephedrine is levorotatory, while the synthetic ephedrine is a racemic mixture.
    • 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.
    • Morphine is an amphoteric pentacyclic alkaloid that exists naturally in its levorotatory form as columnar colorless prisms.

Derivatives

  • laevorotation

  • noun
    Chemistry

Definition of levorotatory in US English:

levorotatory

(British laevorotatory)
adjectiveˌlivəˈroʊdəˌtɔriˌlēvəˈrōdəˌtôrē
Chemistry
  • (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.

    〔化〕(化合物)左旋性的

    The opposite of dextrorotatory
    Example sentencesExamples
    • 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.
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