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[hoo k-wurm] /ˈhʊkˌwɜrm/
any of certain bloodsucking nematode worms, as Ancylostoma duodenale and Necator americanus, parasitic in the intestine of humans and other animals.
Also called hookworm disease. a disease caused by hookworms, which may enter the body by ingestion or through the skin of the feet or legs, causing abdominal pain, nausea, and, if untreated, severe anemia.
Origin of hookworm
1900-05; hook1 + worm
Related forms
hookwormy, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for hookworm
  • hookworm makes up one-third of the toll the diseases take on the region.
  • hookworm eggs are found in the stool of infected dogs and cats.
British Dictionary definitions for hookworm


any parasitic blood-sucking nematode worm of the family Ancylostomatidae, esp Ancylostoma duodenale or Necator americanus, both of which cause disease. They have hooked mouthparts and enter their hosts by boring through the skin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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hookworm in Medicine

hookworm hook·worm (huk'wûrm')
Any of numerous small parasitic nematodes of the family Ancylostomatidae having hooked mouthparts with which they fasten themselves to the intestinal walls of various hosts, including humans.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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hookworm in Science
Any of numerous small, parasitic nematode worms of the family Ancylostomatidae, having hooked mouthparts with which they fasten themselves to the intestinal walls of various animals, including humans.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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