1. A low level of prothrombin (factor II) in the circulating blood; results in long clotting time and poor clot formation and sometimes excessive bleeding; can result from vitamin K deficiency

Type of: blood disease, blood disorder

• Abel
• Abel Janszoon Tasman
• Abel Tasman
• Abelard
• abele
• abelia
• abelian
• Abelian group
• Abelmoschus
• Abelmoschus esculentus
• Abelmoschus moschatus
• abelmosk
• Abenaki
• abend
• Aberdare
• Aberdeen
• Aberdeen Angus
• Aberdonian
• aberrance
• aberrancy
• aberrant
• aberrantly
• aberrate
• aberration
• aberrational