- A disease in hawks, characterized by the presence of
small threadlike worms, also of filaments of coagulated blood, from the
rupture of a vein; -- called also backworm.
- A thick, viscous nitrogenous substance, which is the chief
and characteristic constituent of white of eggs and of the serum of
blood, and is found in other animal substances, both fluid and solid,
also in many plants. It is soluble in water and is coagulated by heat
and by certain chemical reagents.