How to Use roundworm in a Sentence

roundworm

noun
  • This older sample had both roundworm and whipworm.
    — Laura Baisas, Popular Science, 19 Dec. 2025
  • Both roundworms and whipworms are commonly called helminths.
    — Laura Baisas, Popular Science, 19 Dec. 2025
  • Why such a high prevalence of roundworm and whipworm infections?
    — Brian Handwerk, Smithsonian Magazine, 18 Aug. 2022
  • 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
  • Raccoons can carry rabies and roundworm, both of which are harmful to humans.
    — Francisco Guzman, USA TODAY, 1 June 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
  • Sadly, adding soil won’t stop root knot nematodes, a parasitic roundworm.
    — Nan Sterman, San Diego Union-Tribune, 2 Apr. 2022
  • Hookworms and roundworms can thrive in a variety of species, including humans.
    — Julia Wuerz, The Conversation, 6 Feb. 2024
  • The disease is caused by nematodes, or microscopic roundworms, that are present in buds over the winter.
    — Alysa Guffey, BostonGlobe.com, 16 Aug. 2023
  • The bear meat in this case was tested and found to have Trichinella nativa, a freeze-resistant type of roundworm.
    — Mike Snider, USA TODAY, 25 May 2024
  • The kinds of intestinal worms that dogs can get are most commonly roundworm, hookworm, whipworm, and tapeworm.
    — Dr. John De Jong, Boston Herald, 18 Jan. 2026
  • About 28 percent of the samples contained either roundworm or whipworm eggs.
    — Laura Baisas, Popular Science, 19 Dec. 2025
  • And researchers showed one species of roundworm was attracted to some VOCs from cancer.
    — Will Sullivan, Smithsonian Magazine, 25 Jan. 2023
  • Often referred to as roundworms, nematodes are not closely related to true worms.
    — The Editors Of Organic Life, Good Housekeeping, 1 Mar. 2017
  • The worm in this case is Strongyloides stercoralis, a nematode or roundworm known to infect people.
    — Beth Mole, Ars Technica, 22 Apr. 2022
  • The pair examined mutant genes in this roundworm, trying to better understand their function.
    — Alexa Robles-Gil, Smithsonian Magazine, 7 Oct. 2024
  • This microscopic roundworm lays its eggs in root tissues, causing swellings or galls to develop on infected roots.
    — Kim Toscano, Southern Living, 21 June 2026
  • Parasites, such as ticks (opens a new tab) and roundworms (opens a new tab), hitch rides on electric fields generated by larger animal hosts.
    — quantamagazine.org, 30 Sep. 2024
  • My guess is that your veterinarian was correct in assessing roundworms based on their appearance.
    — Dr. John De Jong, Boston Herald, 18 Jan. 2026
  • Petrified roundworm and whipworm eggs suggest that Roman-era and late medieval Brits were most likely to be plagued with these pests.
    — Joanna Thompson, Scientific American, 21 June 2022
  • In addition, roundworms equally inhabited the meadow and the lawn.
    — Jesse Greenspan, Scientific American, 1 Sep. 2023
  • The glowing roundworm from Chalfie’s lab made the cover of Science in 1994.
    — Yudhijit Bhattacharjee, Discover Magazine, 17 July 2011
  • In 2024, two children in the South Bay were infected with raccoon roundworm.
    — Amy Corral, CBS News, 4 Mar. 2026
  • Parvovirus, hookworms and roundworms can be left in the soil and can be transmitted to people and other animals through contact with the infected soil.
    — Cathy M. Rosenthal, ExpressNews.com, 6 Mar. 2020
  • That’s what a team of biologists has observed in the roundworm Caenorhabditis elegans.
    — Christopher Crockett, Scientific American, 2 Aug. 2013
  • This acid is created by gut bacteria as a protective mechanism and previous research from the team has shown it to extend the life of roundworms and fruit flies.
    — New Atlas, 14 Nov. 2025
  • In addition, raccoon feces may contain Baylisascaris roundworm eggs, which can infect humans and lead to nerve damage or blindness.
    — Arricca Elin Sansone, Southern Living, 16 Mar. 2026
  • In addition, raccoon feces may contain Baylisascaris roundworm eggs, which can infect humans and lead to nerve damage or blindness.
    — Arricca Elin Sansone, Southern Living, 18 Oct. 2025
  • Dogs could also ingest intestinal parasites, such as roundworms or hookworms, left from animal droppings.
    — Liz O'Connell, MSNBC Newsweek, 21 Aug. 2025
  • Indeed, while many species’ reactions to death are mediated mainly by sight, that certainly wasn’t the case for wiggling roundworms, which have no eyes and no sense of vision.
    — Sam Walters, Discover Magazine, 23 May 2025

Some of 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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