1. thumb index one of a series of rounded notches in the fore edge of a book to indicate sections
  2. cement mixer a machine with a large revolving drum in which cement is mixed with other materials to make concrete
  3. mathematics a science dealing with the logic of quantity and arrangement
  4. tamping bar a tool for tamping
  5. titanium dioxide a white powder used as a pigment for its high covering power and durability
  6. temporizer someone who temporizes
  7. temporiser someone who temporizes
  8. ambidextrous equally skillful with each hand
  9. Tambocor oral antiarrhythmic medication (trade name Tambocor) used as a last resort in treating arrhythmias; increases the risk of sudden death in heart attack patients
  10. timbale case small pastry shell for creamy mixtures of minced foods
  11. stamp dealer a dealer in stamps (whose customers are stamp collectors)
  12. dogmatic pertaining to a code of beliefs accepted as authoritative
  13. map maker a person who makes maps
  14. stamp tax a tax collected by requiring a stamp to be purchased and attached (usually on documents or publications)
  15. atrium dextrum the right upper chamber of the heart that receives blood from the venae cavae and coronary sinus
  16. numismatics the collection and study of money (and coins in particular)
  17. metamathematics the logical analysis of mathematical reasoning
  18. mathematical of or pertaining to or of the nature of mathematics
  19. stamp collector a collector and student of postage stamps
  20. thromboembolism occlusion of a blood vessel by an embolus that has broken away from a thrombus