Source : Webster's Revised Unabridged Dictionary (1913)

Ankylostomiasis \An`ky*los*to*mi"a*sis\, n. [NL., fr.
   Ankylostoma, var. of Agchylostoma, generic name of one genus
   of the parasitic nematodes.] (Med.)
   A disease due to the presence of the parasites {Agchylostoma
   duodenale}, {Uncinaria} (subgenus {Necator}) {americana}, or
   allied nematodes, in the small intestine. When present in
   large numbers they produce a severe an[ae]mia by sucking the
   blood from the intestinal walls. Called also {miner's
   an[ae]mia}, {tunnel disease}, {brickmaker's an[ae]mia},
   {Egyptian chlorosis}.