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

Encyclopedia: Heterochromatic

• defragmentation
• defraud
• defrauder
• defray
• defrayal
• defrayment
• defrock
• defrost
• defroster
• deft
• deftly
• deftness
• defunct
• defunctness
• defuse
• defusing
• defy
• degas
• degauss
• degaussing
• degeneracy
• degenerate
• degeneration
• degenerative
• degenerative arthritis