1. (chemistry, physics) a property caused by asymmetrical molecular or crystal structure that enables a compound or crystal to rotate the plane of incident polarized light
   - optical rotation

Encyclopedia: Optical activity

• guyline
• guyot
• guzzle
• guzzler
• guzzling
• Gwydion
• Gwyn
• Gwynn
• Gy
• gybe
• gym
• gym mat
• gym rat
• gym shoe
• gym suit
• gymkhana
• Gymnadenia
• Gymnadenia conopsea
• Gymnadenia odoratissima
• Gymnadeniopsis
• gymnasium
• gymnast
• gymnastic
• gymnastic apparatus
• gymnastic exercise