Dextrorotatory

Dex′tro‐ro″ta‐to‐ry (?), a. [Dextro- + rotatory.] (Chem. & Opt.) Turning, or causing to turn, toward the right hand; esp., turning the plane of polarization of luminous rays toward the right hand; as, dextrorotatory crystals, sugars, etc. Cf. Levorotatory.