levorotatory

Of or relating to an optically active substance that rotates the plane of polarized light to the left, or counterclockwise.

Same as levogyrate.

Turning or rotating the plane of polarization of light towards the left; — applied to crystals and compounds exhibiting optical activity, such as levulose, left-handed quartz crystals, etc. Opposite of dextrorotatory.

That rotates the plane of polarized light to the left, or anticlockwise.

rotating to the left