Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Comprehensive
Dictionary Suite
Help
Help
Help
 
   
Display options
Show syllables
Show Lookup History
Double-Click Lookup
  Show Spanish support
 
Pronunciation
Wordsmyth
  Phonics
  IPA
 
Entry formats
Standard
  Classic
   

as·ter·oid

asteroid

pronunciation:
ae st roId
features:
Word Explorer
part of speech: noun
definition: any of thousands of celestial bodies with diameters between one and five hundred miles that revolve around the sun in orbits that lie mostly between the orbits of Jupiter and Mars; planetoid.
Most asteroids in our solar system are located in what is called the asteroid belt.
derivation: asteroidal (adj.)
Word Explorer
See
  outer space, space