dd

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Across
  1. 3. - Large oceanic circulation
  2. 6. - Former students
  3. 7. - Polynomial of degree two
  4. 9. - Playful primate
  5. 10. - Fleshy plant
  6. 14. - Elevated train
  7. 16. - Transformed prince
  8. 17. - Airborne sport
  9. 18. - Black gemstone
  10. 19. - Float procession
Down
  1. 1. - Natural cleaning agent
  2. 2. - Air quality index
  3. 4. - Cricket position
  4. 5. - Italian pastry tube
  5. 8. - Hair styling wax
  6. 9. - Reflective surface
  7. 11. - Naval vessel
  8. 12. - Gossip magazine
  9. 13. - Ancient book
  10. 15. - Anime fan