roundworm
noun
round·worm
ˈrau̇nd-ˌwərm 
: nematode
also
: a related round-bodied unsegmented worm (such as a spiny-headed worm) as distinguished from a flatworm
Examples of roundworm in a Sentence
Recent Examples on the Web
When a host fly bites a deer, roundworm larvae travel from the mouthparts of the fly into a deer’s bloodstream.
—
Katie Hill, Outdoor Life, 29 Feb. 2024
From there, any roundworm eggs would have followed their usual playbook, releasing larva to burrow into their host’s stomach wall, Šlapeta said.
—Daniel Wu, Washington Post, 30 Aug. 2023
The scientist identified it as O. robertsi, a long, skinny roundworm with a reddish color that usually infects carpet pythons.
—Sarah Kuta, Smithsonian Magazine, 29 Aug. 2023
Flatworms and roundworms, two phyla with more than 20,000 species each, have no emoji at all.
—Corinne Purtill, Los Angeles Times, 12 Dec. 2023
Subsequent examination determined the roundworm was Ophidascaris robertsi based on its red color and morphological features.
—Beth Mole, Ars Technica, 28 Aug. 2023
The same held true for the T-maze experiments under normal conditions, i.e., roundworms that had not been dosed with anandamide.
—Jennifer Ouellette, Ars Technica, 20 Apr. 2023
Kaplan, a professor of parasitology and himself a victim of amebic dysentery and 8-inch roundworms, gives a raucous crash course that blends surprising biology with macabre stories.
—Andrew Moseman, Discover Magazine, 6 May 2023
When a nematode wriggles around a petri dish, what’s going on inside a tiny roundworm’s even tinier brain?
—Lauren Leffer, Scientific American, 21 Aug. 2023
Katie Hill, Outdoor Life, 29 Feb. 2024
From there, any roundworm eggs would have followed their usual playbook, releasing larva to burrow into their host’s stomach wall, Šlapeta said.
—Daniel Wu, Washington Post, 30 Aug. 2023
The scientist identified it as O. robertsi, a long, skinny roundworm with a reddish color that usually infects carpet pythons.
—Sarah Kuta, Smithsonian Magazine, 29 Aug. 2023
Flatworms and roundworms, two phyla with more than 20,000 species each, have no emoji at all.
—Corinne Purtill, Los Angeles Times, 12 Dec. 2023
Subsequent examination determined the roundworm was Ophidascaris robertsi based on its red color and morphological features.
—Beth Mole, Ars Technica, 28 Aug. 2023
The same held true for the T-maze experiments under normal conditions, i.e., roundworms that had not been dosed with anandamide.
—Jennifer Ouellette, Ars Technica, 20 Apr. 2023
Kaplan, a professor of parasitology and himself a victim of amebic dysentery and 8-inch roundworms, gives a raucous crash course that blends surprising biology with macabre stories.
—Andrew Moseman, Discover Magazine, 6 May 2023
When a nematode wriggles around a petri dish, what’s going on inside a tiny roundworm’s even tinier brain?
—Lauren Leffer, Scientific American, 21 Aug. 2023
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'roundworm.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Roundworm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/roundworm. Accessed 16 Apr. 2024.
Copy CitationKids Definition
roundworm
noun
round·worm
ˈrau̇n-ˌdwərm
: a nematode worm (as a hookworm)
also
: a related round-bodied worm without segments as compared to a flatworm
Medical Definition
roundworm
noun
round·worm
ˈrau̇n-ˌdwərm
: nematode
also
: a related round-bodied unsegmented worm (as an acanthocephalan) as distinguished from a flatworm
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