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plan′e·toi′dal (-toid′l) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Celestial Objects) another name for asteroid1
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. any of the thousands of small, solid bodies that revolve about the sun in orbits largely between Mars and Jupiter.adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Astronomy. any of thousands of small celestial bodies that revolve about the sun in orbits chiefly between those of Mars and Jupiter ranging in diameter from one mile to 480 miles. Also called asteroids, minor planets. — planetoidal, adj.See also: Planets
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
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|Noun||1.||planetoid - any of numerous small celestial bodies that move around the sun|
asteroid - any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)
KBO, Kuiper belt object - any of many minor planets in the Kuiper belt outside the orbit of Neptune at the edge of the solar system
solar system - the sun with the celestial bodies that revolve around it in its gravitational field
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