noun \ˈer-is\

Definition of ERIS

:  a dwarf planet with a mean distance from the sun of 67 astronomical units (6.2 billion miles) and a diameter of 1500 miles (2400 kilometers)

Origin of ERIS

Eris, ancient Greek goddess of strife
First Known Use: 2006


Next Word in the Dictionary: ERISAPrevious Word in the Dictionary: EriosomatidaeAll Words Near: Eris
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears