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dextrorotatory


dex·tro·ro·ta·to·ry

adj \-ˈrō-tə-ˌtr-ē\

Definition of DEXTROROTATORY

: turning clockwise or toward the right; specifically : rotating the plane of polarization of light toward the right <dextrorotatory crystals> — compare levorotatory

First Known Use of DEXTROROTATORY

circa 1872

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