1. aberration a state or condition markedly different from the norm
  2. operation process or manner of functioning
  3. apparition a ghostly appearing figure
  4. abrasion erosion by friction
  5. aspiration a cherished desire
  6. apportion distribute according to a plan or set apart for a special purpose
  7. attrition the act of rubbing together
  8. liberation the act of freeing someone or something
  9. iteration the act or process of doing or saying again
  10. operations financial transactions at a brokerage
  11. cooperation the practice of working together on a common enterprise
  12. abjuration a disavowal or taking back of a previous assertion
  13. eye operation any surgical procedure involving the eyes
  14. eburnation a change that occurs in degenerative joint disease in which bone is converted into a dense smooth substance resembling ivory
  15. reparation something done or paid in expiation of a wrong
  16. oration an instance of formal speaking
  17. oblation the act of contributing to the funds of a church or charity
  18. operational pertaining to a series of actions for achieving a result
  19. inebriation a temporary state resulting from excessive consumption of alcohol
  20. aeration the process of exposing to air (so as to purify)

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.