an·​cy·​lo·​sto·​mi·​a·​sis ˌaŋ-ki-ˌlō-stə-ˈmī-ə-səs How to pronounce ancylostomiasis (audio) ˌan(t)-sə- How to pronounce ancylostomiasis (audio)
plural ancylostomiases ˌaŋ-ki-ˌlō-stə-ˈmī-ə-ˌsēz How to pronounce ancylostomiasis (audio)
also ankylostomiases ˌaŋ-ki-ˌlō-stə-ˈmī-ə-ˌsēz How to pronounce ancylostomiasis (audio)

Word History


New Latin Ancylostoma, a hookworm genus (earlier Agchylostoma, from Greek ankýlos "bent, crooked, curved" + -o- -o- + stóma "mouth") + -iasis — more at angle entry 3,stomach entry 1

Note: The genus name Ancylostoma was introduced by the Italian physician Angelo Dubini (1813-1902) in "Nuovo verme intestinale umano (Agchylostoma duodenale), costituente un sesto genere dei Nematoidei proprii dell'uomo," Annali universali de medicina (Milano), vol. 106 (aprile, maggio e giugno 1843), pp. 5-13.

First Known Use

1880, in the meaning defined above

Time Traveler
The first known use of ancylostomiasis was in 1880

Dictionary Entries Near ancylostomiasis

Cite this Entry

“Ancylostomiasis.” Dictionary, Merriam-Webster, Accessed 15 Jun. 2024.

Medical Definition


an·​cy·​lo·​sto·​mi·​a·​sis ˌaŋ-ki-lō-stə-ˈmī-ə-səs How to pronounce ancylostomiasis (audio) ˌan(t)-sə- How to pronounce ancylostomiasis (audio)
variants also ankylostomiasis
or anchylostomiasis
plural ancylostomiases -ˌsēz How to pronounce ancylostomiasis (audio) also ankylostomiases or anchylostomiases
: infestation with or disease caused by hookworms
especially : a lethargic anemic state due to blood loss through the feeding of hookworms in the small intestine

called also hookworm disease

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