Main Entry: he·mo·phil·ia

Variant(s): or chiefly British hae·mo·phil·ia \ˌhē-mə-ˈfil-ē-ə\

Function: noun

: a sex-linked hereditary blood defect that occurs almost exclusively in males and is characterized by delayed clotting of the blood and consequent difficulty in controlling hemorrhage even after minor injuries—compare christmas disease, hemorrhagic diathesis