dextrorotation

/ -trɪ; ˌdɛkstrəʊrəʊˈteɪʃən; ˌdɛkstrəʊˈrəʊtətərɪ /

noun

a rotation to the right; clockwise rotation, esp of the plane of polarization of plane-polarized light passing through a crystal, liquid, or solution, as seen by an observer facing the oncoming light Compare laevorotation

dextrorotation

/ dĕk′strə-rō-tā′shən /

The clockwise rotation of the plane of polarization of light (as observed when looking straight into the incoming light) by certain substances, such as crystals, and by certain solutions. Dextrorotation is caused by a particular arrangement of the atoms in a molecule of the substance.
Compare levorotation

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