noun, noun which may take the genitive case particle 'no'
levorotatory; laevorotatory
Scientific term used in chemistry and physics to describe a substance that rotates plane-polarized light to the left (counterclockwise).
This compound exhibits levorotatory properties.
Levorotatory substances rotate the plane of polarization to the left.
光学活性 is the broader property of rotating polarized light, encompassing both 左旋性 and 右旋性.
Compound of 左 (left) + 旋 (rotate) + 性 (property), literally 'left-rotation property'. A modern scientific coinage based on kanji meanings.