1. police commissioner a civil commissioner appointed to supervise the duties and discipline of the police
  2. disclaimer a voluntary repudiation of legal claim to something
  3. Pete Seeger United States folk singer who was largely responsible for the interest in folk music in the 1960s (born in 1919)
  4. political commissar an official of the Communist Party who was assigned to teach party principles to a military unit
  5. discomycete any fungus that is a member of the subclass Discomycetes
  6. discomposure anxious embarrassment
  7. pulse counter an electronic counter that counts the number of electric pulses
  8. PET scanner a tomograph that produces cross-sectional X-rays of metabolic processes in the body
  9. disco music popular dance music
  10. beet sugar sugar made from sugar beets
  11. sports commentator an announcer who reads sports news or describes sporting events
  12. taskmaster someone who imposes hard or continuous work
  13. viscometer a measuring instrument for measuring viscosity
  14. portable computer a personal computer that can easily be carried by hand
  15. Iles Comores three main islands and numerous islets in the Indian Ocean between Mozambique and Madagascar
  16. picometer a metric unit of length equal to one trillionth of a meter
  17. latecomer someone who arrives late
  18. discomfort the state of being tense and feeling pain
  19. discomfit cause to lose one's composure
  20. pond-scum parasite an aquatic fungus of genus Synchytriaceae that is parasitic on pond scum

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.