Wordnet 3.0
NOUN (1)
1. 
 a coagulation factor (trade name Hemofil) whose absence is associated with hemophilia A; 
[syn: antihemophilic factor, antihaemophilic factor, antihemophilic globulin, antihaemophilic globulin, factor VIII, Hemofil]
WordNet (r) 3.0 (2006):
antihemophilic globulin
    n 1: a coagulation factor (trade name Hemofil) whose absence is
         associated with hemophilia A [syn: antihemophilic factor,
         antihaemophilic factor, antihemophilic globulin,
         antihaemophilic globulin, factor VIII, Hemofil]