planetoid

[ plan-i-toid ]

/ ˈplæn ɪˌtɔɪd /

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See synonyms for planetoid on Thesaurus.com

noun Astronomy.

asteroid (def. 1).

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QUIZ YOURSELF ON "IS" VS. "ARE"

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IS and ARE are both forms of which verb?

have

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Origin of planetoid

First recorded in 1795–1805; planet + -oid

OTHER WORDS FROM planetoid

plan·et·oi·dal, adjective

Words nearby planetoid

planetary nebula, planetary precession, planetesimal, planetesimal hypothesis, planet gear, planetoid, planetology, plane tree, plane trigonometry, planet-struck, planet wheel

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use planetoid in a sentence

We are talking about planetoid bodies, such as 16 Psyche, with the raw potential to unlock wealth worth more than the global economy.
The Game Has Changed: Why We Need New Rules for Space Exploration|Peter Cabral|March 3, 2021|Singularity Hub
Your may-be ruler Mercury teams with loving Venus, Monday, squaring Neptune and Chiron, the planetoid of healing.
Horoscopes for June 5-11, 2011|Starsky + Cox|June 4, 2011|DAILY BEAST
Over and over, the same words, the same thought images which they formed; of Cain, of this hell-planetoid itself.
The Women-Stealers of Thrayx|Fox B. Holden
According to its orbit and location, and the spectroscopic table of its mineral resources, it was a choice planetoid indeed.
The Planetoid of Peril|Paul Ernst

Here upon this little planetoid were several of the gigantic inhabitants of the world that we were going to attack.
Edison's Conquest of Mars|Garrett Putnam Serviss
All eyes were on the tiny rocket scout as its jets, roaring into life, lifted free of the pirate planetoid.
On the Trail of the Space Pirates|Carey Rockwell
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

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