Master Level Crossword

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Across
  1. 3. Clown (6)
  2. 6. Part of a polynomial (11)
  3. 7. "______ Eisenhower", the 34th US president (6)
  4. 9. The 103rd element in the periodic table (10)
  5. 11. A polynomial with two terms (8)
  6. 13. Poker term for "four of a kind" (5)
  7. 14. A common breakfast meal with maple syrup (7)
  8. 15. Commonly found in pencils (8)
  9. 17. Scene of a time earlier than the original story (9)
  10. 18. Yellow spice that is commonly found in Indian food (8)
  11. 19. Prefix to describe something yellow (6)
Down
  1. 1. The 48th element in the periodic table (6)
  2. 2. A fertile spot (5)
  3. 4. Kudos (9)
  4. 5. Toy (9)
  5. 6. Ctrl in keyboard
  6. 8. A karaoke machine with video (7)
  7. 10. A very popular cocktail (9)
  8. 12. Question (7)
  9. 15. Nonsense (9)
  10. 16. Brownish-red (6)