planetoid

[ plan-i-toid ]

/ ˈplæn ɪˌtɔɪd /

SEE MORE SYNONYMS FOR planetoid ON THESAURUS.COM

noun Astronomy.

an asteroid.

Nearby words

planetary, planetary nebula, planetary precession, planetesimal, planetesimal hypothesis, planetoid, planetology, planform, plangent, planh, plani-

Origin of planetoid

First recorded in 1795–1805; planet + -oid

Related forms

plan·et·oi·dal, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for planetoid

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
I had every executive on the planetoid jumping before I was through.
A Spaceship Named McGuire|Gordon Randall Garrett
On the surface of the planetoid, giant mushrooming clouds appeared climbing into the airless void.
Danger in Deep Space|Carey Rockwell
Ceres has a pretty respectable gee pull for a planetoid: Three per cent of Standard.
A Spaceship Named McGuire|Gordon Randall Garrett

Then he nudged the Nancy Bell sideways, pushing the bolt down into the planetoid.
Anchorite|Randall Garrett
For gray Roger had not perished in the floods of Nevian energy which had destroyed his planetoid.
Triplanetary|Edward Elmer Smith

British Dictionary definitions for planetoid

planetoid

/ (ˈplænɪˌtɔɪd) /

noun

another name for asteroid (def. 1)

Derived Forms

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