1. abstract existing only in the mind
  2. district a region marked off for administrative or other purposes
  3. obstructive preventing movement
  4. abstractive of an abstracting nature or having the power of abstracting
  5. Bidens trichosperma North American bur marigold with large flowers
  6. restrictive serving to limit
  7. St Patrick's Day a day observed by the Irish to commemorate the patron saint of Ireland
  8. constrictive restricting the scope or freedom of action
  9. citric acid a weak water-soluble acid found in many fruits
  10. tricuspid having three cusps or points (especially a molar tooth)
  11. tricuspidate having three cusps or points (especially a molar tooth)
  12. perceptive of or relating to awareness via the senses
  13. gastric acid digestive secretions of the stomach glands consisting chiefly of hydrochloric acid and mucin and the enzymes pepsin and rennin and lipase
  14. obstruct block passage through
  15. abstract art an abstract genre of art
  16. diapsid reptile reptile having a pair of openings in the skull behind each eye
  17. exteroceptive of or relating to exteroception
  18. tartaric acid an acid found in many fruits
  19. Turbatrix aceti minute eelworm that feeds on organisms that cause fermentation in e.g. vinegar
  20. plaster cast bandage consisting of a firm covering (often made of plaster of Paris) that immobilizes broken bones while they heal