1. A planetoid of rock and ice about three-quarters the size of Pluto discovered in 2003; the most distant object known to orbit around the sun

Type of: minor planet, planetoid

Encyclopedia: Sedna Sedna, Trans-Neptunian object 2003 VB12

• inauspiciousness
• inauthentic
• inboard
• inborn
• inborn error of metabolism
• inborn reflex
• inbound
• inbred
• inbreed
• inbreeding
• inbuilt
• inc.
• Inca
• incalcitrant
• incalculable
• incalculably
• incalescence
• incalescent
• Incan
• incandesce
• incandescence
• incandescent
• incandescent lamp
• incantation
• incantatory