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Synonyms

planetoid

American  
[plan-i-toid] / ˈplæn ɪˌtɔɪd /

noun

Astronomy.
  1. asteroid.


planetoid British  
/ ˈplænɪˌtɔɪd /

noun

  1. another name for asteroid

"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

planetoid Scientific  
/ plăn′ĭ-toid′ /
  1. See asteroid


Other Word Forms


Etymology

Origin of planetoid

First recorded in 1795–1805; planet + -oid


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The study calculated how large a hollow planetoid could be without collapsing in on itself, and the likelihood of a primordial black hole passing through an object on Earth.

From Science Daily ● Dec. 2, 2024

It opens with two brothers, Cade and Tristan, running away from a gang on the planetoid Kyysring.

From The Verge ● Jan. 13, 2018

She later dies while giving birth to twins on an Outer Rim planetoid called Polis Massa.

From Los Angeles Times ● Dec. 1, 2015

NASA's New Horizons spacecraft passed by the ice-and-rock planetoid and its entourage of five moons at 7:49 a.m.

From Reuters ● Jul. 14, 2015

My avatar needed a stronghold, and I didn’t want any neighbors, so I’d bought the cheapest planetoid I could find—this tiny barren asteroid in Sector Fourteen.

From "Ready Player One: A Novel" by Ernest Cline

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