| antihaemophilic factor | |
noun | |
| a coagulation factor (trade name Hemofil) whose absence is associated with hemophilia A [syn: antihemophilic factor] |
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| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |