1. Surpassing in quality
   "top-grade ore"
   - high-grade, top-quality

See also: best

• thoracic medicine
• thoracic nerve
• thoracic outlet syndrome
• thoracic vein
• thoracic vertebra
• thoracocentesis
• thoracoepigastric vein
• thoracotomy
• thorax
• Thorazine
• Thoreau
• Thoreauvian
• thoria
• thoriate
• thoriated
• thorite
• thorium
• thorium-228
• thorn
• thorn apple
• thorn-tipped
• thornback
• thornbill
• Thorndike
• thorniness