1. orbit the path of a celestial body in its revolution about another
  2. arbitrary based on or subject to individual discretion or preference
  3. probity complete and confirmed integrity
  4. orbital relating to the path of one body around another
  5. orbiter man-made equipment that orbits around the earth or the moon
  6. morbid suggesting the horror of death and decay
  7. arbiter someone chosen to judge and decide a disputed issue
  8. erupt start suddenly
  9. acerbity a sharp bitterness
  10. urbanity polished courtesy; elegance of manner
  11. ambiguity unclearness by virtue of having more than one meaning
  12. overbite (dentistry) malocclusion in which the upper teeth extend abnormally far over the lower teeth
  13. orbitale the craniometric point at the lowest point on the lower edge of the orbit
  14. obit a notice of someone's death
  15. orbitual describing a circle; moving in a circle
  16. arity the number of arguments that a function can take
  17. aridity a deficiency of moisture
  18. ore bed a stratum of ore
  19. urban relating to a city or densely populated area
  20. arability the quality of land that is appropriate for cultivation

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