hemophilia


noun

  1. any of several X-linked genetic disorders, symptomatic chiefly in males, in which excessive bleeding occurs owing to the absence or abnormality of a clotting factor in the blood.
n.

1854 (in anglicized form hæmophily), from German hämophile, coined 1828 by German physician Johann Lucas Schönlein (1793-1864), from Greek haima “blood” (see -emia) + philia “to love” (see -philia), here with a sense of “tendency to.”

n.

  1. Any of several hereditary blood-coagulation disorders, manifested almost exclusively in males, in which the blood fails to clot normally because of a deficiency or an abnormality of one of the clotting factors.

  1. Any of several hereditary coagulation disorders, seen almost exclusively in males, in which the blood fails to clot normally because of a deficiency or an abnormality of one of the clotting factors.

A hereditary disease caused by a deficiency of a substance in the blood that aids in clotting. Hemophiliacs can bleed to death even from small cuts and bruises, because their blood has largely lost the ability to clot.

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