1. octane rating a measure of the antiknock properties of gasoline
  2. iodinated protein a protein that contains iodine
  3. unmanageableness the trait of being unmanageable
  4. monadic operation an operation with exactly one operand
  5. invigorating imparting strength and vitality
  6. underrating an estimation that is too low
  7. winged everlasting Australian plant widely cultivated for its beautiful silvery-white blooms with bright yellow centers on long winged stems
  8. interpreting an explanation of something that is not immediately obvious
  9. unregretting feeling no regret
  10. abdominal breathing breathing in which most of the respiratory effort is done by the abdominal muscles
  11. integrating the action of incorporating a racial or religious group into a community
  12. unsporting violating accepted standards or rules
  13. manic depression a mental disorder characterized by episodes of mania and depression
  14. management consulting a service industry that provides advice to those in charge of running a business
  15. combined operation a military operation carried out cooperatively by two or more allied nations or a military operation carried out by coordination of sea, land, and air forces
  16. skateboarding the sport of skating on a skateboard
  17. inspiriting cheerfully encouraging
  18. uncooperative unwilling to cooperate
  19. water parting a ridge of land that separates two adjacent river systems
  20. unary operation an operation with exactly one operand

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