planetoid

[ plan-i-toid ]
See synonyms for planetoid on Thesaurus.com
nounAstronomy.

Origin of planetoid

1
First recorded in 1795–1805; planet + -oid

Other words from planetoid

  • plan·et·oi·dal, adjective

Words Nearby planetoid

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How to use planetoid in a sentence

  • All eyes were on the tiny rocket scout as its jets, roaring into life, lifted free of the pirate planetoid.

  • With a ship like that, you could run through a planetoid without hurting the hull.

    Islands of Space | John W Campbell

British Dictionary definitions for planetoid

planetoid

/ (ˈplænɪˌtɔɪd) /


noun
  1. another name for asteroid (def. 1)

Derived forms of planetoid

  • planetoidal, adjective

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 planetoid

planetoid

[ plănĭ-toid′ ]


The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.