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planetoid

[ plan-i-toid ]
/ ˈplæn ɪˌtɔɪd /
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noun Astronomy.

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“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

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Origin of planetoid

First recorded in 1795–1805; planet + -oid

OTHER WORDS FROM planetoid

plan·et·oi·dal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for planetoid

British Dictionary definitions for planetoid

planetoid
/ (ˈplænɪˌtɔɪd) /

noun

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′ ]

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