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roundworm

American  
[round-wurm] / ˈraʊndˌwɜrm /

noun

  1. any nematode, especially Ascaris lumbricoides, that infests the intestine of humans and other mammals.


roundworm British  
/ ˈraʊndˌwɜːm /

noun

  1. any nematode worm, esp Ascaris lumbricoides , a common intestinal parasite of man and pigs

"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

Etymology

Origin of roundworm

First recorded in 1555–65; round 1 + worm

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They focused on colanic acid, a compound naturally produced by gut bacteria that had already been shown to extend lifespan in roundworms and fruit flies.

From Science Daily

Researchers from the University of Utah recently published a paper describing the tiny roundworm and formally naming it in a way that honors the Indigenous people whose ancestral lands include the lake.

From Science Daily

Scientists studying ancient sewer drains at the Roman fort of Vindolanda, located near Hadrian's Wall, have uncovered evidence that the people living there were infected with three different intestinal parasites: roundworm, whipworm, and Giardia duodenalis.

From Science Daily

S. carpocapsae is an unsegmented roundworm, or nematode, that kills insects through a symbiotic relationship with bacteria.

From Science Daily

Ascaris lumbricoides, a type of roundworm from pigs that has been reported in a few cases in humans, can cause issues with the lungs or growth problems in children in severe cases.

From Salon