laevorotatory or levorotatory /lē-vō-rōˈtə-tə-ri or -rō-tāˈ/

1. Counter-clockwise
2. Rotating the plane of polarization of light to the left (optics)

• preoccupations
• preoccupied
• preoccupies
• preoccupy
• preoccupying
• preocular
• preon
• preons
• preoperational
• preoperative
• preoption
• preoptions
• preoral
• preordain
• preordained
• preordaining
• preordainment
• preordainments
• preordains
• preorder
• preordered
• preordering
• preorders
• preordinance
• preordinances