English

Definition of asteroid noun from the Oxford Advanced Learner's Dictionary

 

asteroid

 noun
noun
BrE BrE//ˈæstərɔɪd//
 
; NAmE NAmE//ˈæstərɔɪd//
 
The universe
 
jump to other results
any one of the many small planets that go around the sun Wordfinderasteroid, astronomy, comet, constellation, cosmic, galaxy, meteorite, orbit, space, the universe See related entries: The universe Word Origin early 19th cent.: from Greek asteroeidēs ‘starlike’, from astēr ‘star’.
See the Oxford Advanced American Dictionary entry: asteroid