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plutoid

American  
[ploot-oid] / ˈplut ɔɪd /

noun

plural

plutoids

  1. Astronomy. Also called ice dwarf. a dwarf planet in our solar system whose orbit is further from the sun than that of Neptune.

plutoid Scientific  
/ plo̅o̅′toid′ /

  1. A dwarf planet that orbits the sun at a greater distance on average than Neptune.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.