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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
ˌplaneˈtoidal adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈæs təˌrɔɪd)

1. any of the thousands of small, solid bodies that revolve about the sun in orbits largely between Mars and Jupiter.
2. starlike.
[1795–1805; < Greek asteroeidḗs starry, starlike. See aster, -oid]
as`ter•oi′dal, 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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.planetoid - any of numerous small celestial bodies that move around the sunplanetoid - 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)
celestial body, heavenly body - natural objects visible in the sky
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


n (Astron) → Planetoid m
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
References in periodicals archive ?
The planetoid of WOTF is in turmoil since magic went wild.
Indeed, in such a sequence the two characters are visiting a shuttlecraft while discussing the doctor's imminent mission on a planetoid. Carol then asks the captain to turn around while she undresses.
If there were a planet or planetoid present at the inner edge of the dust ring, the ring itself would appear from the surface as a broad band rising almost perpendicularly from the horizon.
Once upon a planetoid, Interstellar Cinderella receives help from her fairy godbot and uses her own skills as an aspiring spaceship mechanic to get to the ball.
And before it was even that size, "it was probably a planetoid" that collided with another.
Caption: A STREAMER OF OBSCURATION In this smoothed reconstruction from 5 minutes of data around a "primary" transit, the planetoid speeding around WD 1145 (black disk, drawn to scale) is surrounded by an opaque dust cloud with a thick extension orbiting behind it and a sparser, narrower extension ahead of it.
Twelve-year-old Christopher and his family live on a planetoid with other families, working as miners for terraforming companies.
BHA counsel Louis Weston QC raised the case of Planetoid, who joined Best to go jumping with a similar Flat rating to Echo Brava.
NEWMARKET: 2.05 Spatial, 2.40 Prerogative, 3.15 Easy Victory, 3.50 Passover, 4.25 Farlow, 5.00 Bahaarah, 5.30 Planetoid.
In-form Planetoid is taken to make a successful return to the Flat in the Berrys Handicap at Wolverhampton.
WARWICK: 2.10 Sporting Milan, 2.40 Planetoid, 3.10 Mustmeetalady, 3.40 McKinley, 4.10 Wood Yer, 4.40 Clondaw Cracker, 5.15 Our Mick.
Planetoid can claim a fourth course win in the lingfield Park Handicap.