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Noun: asteroid  'as-tu,royd
  1. Any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)
    "The spacecraft encountered an asteroid during its journey"
Adjective: asteroid  'as-tu,royd
  1. Shaped like a star
    "The asteroid leaves of the sweet gum tree turned bright red in autumn";
    - star-shaped

Derived forms: asteroids

See also: angular, angulate

Type of: minor planet, planetoid

Encyclopedia: Asteroid