Dextrorotation是一个英语名词，英式发音为[ˌdekstrəʊrəʊˈteɪʃən]，美式发音为[ˌdekstrəroʊˈteɪʃn]，指平面偏振光通过光学活性物质（如晶体或溶液）时发生的右旋或顺时针旋转现象。

柯林斯英汉双解大词典

dextrorotation /ˌdɛkstrəʊrəʊˈteɪʃən/

1.N 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 右旋; 顺时针方向旋转 → compare laevorotation

Levorotation and dextrorotation 左旋与右旋