1. Used to denote the end of a proof of some proposition
   - QED

Encyclopedia: Quod erat demonstrandum

• tetanus antitoxin
• tetanus immune globulin
• tetanus immunoglobulin
• tetany
• tetartanopia
• tetchily
• tetchiness
• tetchy
• teth
• tether
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• Tethyidae
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• Teton Range
• Teton Sioux
• tetra
• tetrabasic acid
• tetrabromo-phenolsulfonephthalein
• tetracaine
• tetrachlorethylene
• tetrachloride
• tetrachloroethylene