1. A clotting disorder similar to haemophilia A but caused by a congenital deficiency of factor IX
   - hemophilia B [N. Amer], haemophilia B [Brit, Cdn]

Type of: bleeder's disease, haemophilia [Brit, Cdn], hemophilia [N. Amer]

Encyclopedia: Christmas disease

• shoulder mark
• shoulder pad
• shoulder patch
• shoulder strap
• ling
• ling ko
• Ling-pao
• lingam
• lingberry
• lingcod
• lingenberry
• linger
• linger over
• lingerer
• lingerie
• lingering
• lingeringly
• lingo
• lingonberry
• lingua
• lingua franca
• lingual
• lingual artery
• lingual vein
• lingually