planetoid
1. [ noun ] (astronomy) any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)
Synonyms: minor_planet asteroid
Related terms: planet Apollo_asteroid Vesta Ceres pallas solar_system
Similar spelling:   planet
  plentitude
  plant_order
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  Plantago
  plantain
  planetal
  planting
  plantigrade
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  planation
  plenteous
  plenitude
  Plante
  Planty
  Plantz
  plenty
  pliant
  plinth
  Plants
  pliantness
  plundered
  planet_gear
  planetarium
  plane_tree
  planter
  Plantae
  plantal
  plantar
  planthopper
  plenteously
  plentifully
  plunder
  plant_organ
  planate