thread·​worm | \ ˈthred-ˌwərm How to pronounce threadworm (audio) \

Definition of threadworm

: a long slender nematode worm (such as a pinworm or strongyle)

Examples of threadworm in a Sentence

Recent Examples on the Web According to The Lancet Infectious Diseases journal, Kenyan researchers found that ivermectin — an anti-parasitic drug commonly used to treat roundworms, threadworms and other parasites in dogs — can make human blood poisonous to mosquitoes. Daniela Sternitzky-di Napoli, Houston Chronicle, "Researchers want humans to take dog medicine to repel mosquitoes," 4 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'threadworm.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of threadworm

1802, in the meaning defined above

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Time Traveler for threadworm

Time Traveler

The first known use of threadworm was in 1802

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Cite this Entry

“Threadworm.” Dictionary, Merriam-Webster, Accessed 26 Feb. 2021.

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thread·​worm | \ ˈthred-ˌwərm How to pronounce threadworm (audio) \

Medical Definition of threadworm

: any long slender nematode worm (as a pinworm or strongyle)

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