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)

• speedless
• speed limit
• speed limits
• speed merchant
• speedo
• speedometer
• speedometers
• speedos
• speed reading
• speeds
• speedskating
• speedskatings
• speedster
• speedsters
• speed trap
• speed traps
• speed up
• speed-up
• speed-ups
• speedway
• speedways
• speedwell
• speedwells
• Speedwriting®
• speedy