1. Of light, having more than one wavelength 
2. Having more than one colour

Encyclopedia: Heterochromatic

• auditory perception
• auditory sensation
• auditory sense
• auditory system
• auditory tube
• Audubon
• Audubon warbler
• Audubon's caracara
• Audubon's warbler
• auf wiedersehen
• Aug
• Augean
• Augean stables
• Augeas
• augend
• auger
• aught
• augite
• augitic
• augment
• augmentation
• augmentative
• augmented
• augmenter
• Augmentin