Hyper Dictionary

English Dictionary Computer Dictionary Video Dictionary Thesaurus Dream Dictionary Medical Dictionary

Search Dictionary:  

Meaning of ASTEROID

Pronunciation:  'astu`royd

WordNet Dictionary
  1. [n]  any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)
  2. [adj]  shaped like a star

ASTEROID is a 8 letter word that starts with A.


 Synonyms: angular, angulate, minor planet, planetoid, star-shaped
 See Also: Apollo asteroid, Ceres, Pallas, planet, solar system, Vesta



Webster's 1913 Dictionary
\As"ter*oid\, n. [Gr. ? starlike, starry; 'asth`r star
+ ? form: cf. F. ast['e]ro["i]de. See {Aster}.]
A starlike body; esp. one of the numerous small planets whose
orbits lie between those of Mars and Jupiter; -- called also
{planetoids} and {minor planets}.

Thesaurus Terms
 Related Terms: asteroids, aurora particles, blackout, cosmic particles, cosmic ray bombardment, Earth, inferior planet, intergalactic matter, Jupiter, major planet, Mars, Mercury, meteor dust impacts, meteors, minor planet, Neptune, planet, planetoid, Pluto, radiation, Saturn, secondary planet, solar system, space bullets, superior planet, terrestrial planet, the bends, Uranus, Venus, wanderer, weightlessness