Dictionary.com
Thesaurus.com
Showing results for planetoid. Search instead for Planetoidal.
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

  • planetoidal adjective

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.

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

As she wet me down with the vegetable sprayer, I could feel my hair collapsing from its planetoid shape.

From "Schooled" by Gordon Korman

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.