planetoid

[plan-i-toid]

noun

Astronomy.

1. asteroid.

planetoid

/ ˈplænɪˌtɔɪd /

noun

1. another name for asteroid

planetoid

1. See asteroid

Other Word Forms

• planetoidal adjective

Word History and Origins

Origin of planetoid¹

First recorded in 1795–1805; planet + -oid

Example Sentences

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

And those little planetoids around me are real objects; they’re not projections.

From National Geographic

Needless to say, this means that planetoid Farfarout's journey around the sun is very different from Earth's.

From Salon

From the bite-sized planetoids of Galaxy to the hakoniwa-inspired worlds of Odyssey, the Kyoto game maker has never settled on just one formula.

From The Verge

Galaxy Lamps has a sphere that looks like a planetoid.

From Washington Times

Related Words

• asteroid 
• earth 
• globe 
• sphere 
• world