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)

laevorotāˈtion noun

• underfunds
• underfur
• underfurs
• undergarment
• undergarments
• undergird
• undergirded
• undergirding
• undergirds
• undergirt
• underglaze
• underglaze painting
• underglazes
• undergo
• undergoes
• undergoing
• undergone
• undergown
• undergowns
• undergrad
• undergrads
• undergraduate
• undergraduates
• undergraduateship
• undergraduette