| hypothrombinemia | |
noun | |
| 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 |
hypothrombinemia hy·po·throm·bi·ne·mi·a (hī'pō-thrŏm'bə-nē'mē-ə)
n.
Abnormally low levels of thrombin in the blood, leading to bleeding without clotting.