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Eris

[ eer-is, er-is ]
/ ˈɪər ɪs, ˈɛr ɪs /
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noun

the ancient Greek goddess of discord and the sister of Ares: identified with the Roman goddess Discordia.

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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British Dictionary definitions for Eris (1 of 2)

Eris1
/ (ˈɛrɪs) /

noun

Greek myth the goddess of discord, sister of Ares

British Dictionary definitions for Eris (2 of 2)

Eris2
/ (ˈɛrɪs) /

noun

the largest dwarf planet in the solar system, located beyond the Kuiper belt. It has a diameter of 2400 km
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for Eris

Eris
[ îrĭs, ĕr- ]

A dwarf planet with a diameter of about 2,400 kilometers (1,500 miles). When Eris was discovered in 2005, it and its satellite Dysnomia were the farthest known celestial bodies in the Solar System.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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