planetoid

[ plan-i-toid ]
/ ˈplæn ɪˌtɔɪd /

noun Astronomy.

an asteroid.

Origin of planetoid

First recorded in 1795–1805; planet + -oid

OTHER WORDS FROM planetoid

plan·et·oi·dal, adjective

Example sentences from the Web for planetoid

British Dictionary definitions for planetoid

planetoid
/ (ˈplænɪˌtɔɪd) /

noun

another name for asteroid (def. 1)

Derived forms of planetoid

planetoidal, adjective

Scientific definitions for planetoid

planetoid
[ plănĭ-toid′ ]

See asteroid.