roundworm

noun
round·​worm | \ ˈrau̇nd-ˌwərm How to pronounce roundworm (audio) \

Definition of roundworm

: 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 If accidentally inhaled, roundworm infections can lead to irreversible brain, heart, or eye damage. Popular Science, "Eleven animals you can identify by their poop," 23 Jan. 2020 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, "Animals Matter: Again, people, just pick up your dog’s poop and throw it away," 6 Mar. 2020 The only complete connectome to date is that of the roundworm Caenorhabditis elegans, which contains a mere 302 neurons. Diana Kwon, Scientific American, "Largest Brain Wiring Diagram to Date Is Published," 22 Jan. 2020 If accidentally inhaled, roundworm infections can lead to irreversible brain, heart, or eye damage. Popular Science, "Eleven animals you can identify by their poop," 23 Jan. 2020 If accidentally inhaled, roundworm infections can lead to irreversible brain, heart, or eye damage. Popular Science, "Eleven animals you can identify by their poop," 23 Jan. 2020 The only animal whose connectome has been completed is the tiny roundworm Caenorhabditis elegans, with a piddling 302 neurons making about 7,000 synapses, and that took 15 years for a rough draft (released in 1986) and another 20 for a final. Sharon Begley, STAT, "A ‘landmark’ achievement: Scientists trace full wiring diagram of the fly brain’s core," 22 Jan. 2020 The latest organisms that researchers have looked to are bacteria in the microbiomes of roundworms that parasitize insects (technically termed enteropathogenic nematodes). Diana Gitig, Ars Technica, "New antibiotic found in bacteria inside a worm inside an insect egg," 20 Nov. 2019 Military personnel at the weather station fell ill after eating polar bear meat contaminated with roundworms, forcing the base’s evacuation in 1944. Fox News, "Hitler's secret Nazi war machine revealed in hidden bases," 6 Sep. 2019

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

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First Known Use of roundworm

1558, in the meaning defined above

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The first known use of roundworm was in 1558

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Cite this Entry

“Roundworm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/roundworm. Accessed 25 Feb. 2021.

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More Definitions for roundworm

roundworm

noun

English Language Learners Definition of roundworm

: a small worm with a long, round body that lives inside the bodies of people and animals

roundworm

noun
round·​worm | \ ˈrau̇nd-ˌwərm How to pronounce roundworm (audio) \

Kids Definition of roundworm

: a worm that has a round body with no segments and is sometimes a serious parasite of people and animals

roundworm

noun
round·​worm | \ ˈrau̇n-ˌdwərm How to pronounce roundworm (audio) \

Medical Definition of roundworm

: nematode also : a related round-bodied unsegmented worm (as an acanthocephalan) as distinguished from a flatworm

More from Merriam-Webster on roundworm

Nglish: Translation of roundworm for Spanish Speakers

Britannica.com: Encyclopedia article about roundworm

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