cryp·​to·​spo·​rid·​i·​um | \ ˌkrip-tō-spȯr-ˈi-dē-əm How to pronounce cryptosporidium (audio) \
plural cryptosporidia\ ˌkrip-​tō-​spȯr-​ˈi-​dē-​ə How to pronounce cryptosporidia (audio) \

Definition of cryptosporidium

: any of a genus (Cryptosporidium of the order Coccidia) of protozoans parasitic in the gut of vertebrates including humans and sometimes causing diarrhea

Examples of cryptosporidium in a Sentence

Recent Examples on the Web Johnson reached out to a microbiologist named Tim Stinear, who was working for the state water-testing laboratory, developing techniques to amplify and detect the DNA of pathogens such as giardia and cryptosporidium. Brendan Borrell, The Atlantic, "Australia Has a Flesh-Eating-Bacteria Problem," 3 July 2020 Raw, unpasteurized milk can harbor germs like listeria, salmonella, campylobacter or cryptosporidium. Rachel Meltzer Warren, New York Times, "The Foods to Avoid When You’re Pregnant," 17 Apr. 2020 The water bureau’s current plans for the plant in technology to remove cryptosporidium from the drinking water, two pipelines going to and from the facility, a daily capacity of 145 million gallons of water per day. oregonlive, "Portland approves $51 million contract to design water treatment plant," 27 Nov. 2019 The city wants to have the new water treatment plant operational by 2027 in order to comply with federal drinking water regulations to filter out the parasite cryptosporidium and other contaminates. oregonlive, "Portland approves $51 million contract to design water treatment plant," 27 Nov. 2019 Most cases involved pools and hot tubs and a very specific parasite known as cryptosporidium. N'dea Yancey-bragg, USA TODAY, "More people sick due to fecal parasite in pools, CDC says. Here's how to stay safe," 27 June 2019 But in 2017, the federal Environmental Protection Agency and the Oregon Health Authority said that had to change because cryptosporidium was showing up too often in the city’s water samples. oregonlive, "Costs for Portland water treatment plant rise 70% -- because planners now including pipes," 21 Sep. 2019 Also detected in some of the wells during April testing were illness-causing pathogens such as salmonella, rotavirus and cryptosporidium. USA TODAY, "Momoa at Mauna Kea, Confederate context, Guthrie garbage tribute: News from around our 50 states," 2 Aug. 2019 The parasite is cryptosporidium, or crypto for short. Eliott C. Mclaughlin, CNN, "CDC issues warning on 'crypto' fecal parasite that can live for days in swimming pools," 30 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cryptosporidium.' 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 cryptosporidium

1910, in the meaning defined above

History and Etymology for cryptosporidium

borrowed from New Latin, genus name, from crypto- crypto- + sporidium "small spore," from spora spore entry 1 + -idium -idium

Note: Taxon introduced by the American physician and parasitologist Ernest E. Tyzzer (1875-1965) in "A sporozoan found in the peptic glands of the common mouse," Proceedings of the Society for Experimental Biology and Medicine, vol. 5 (1907-08), pp. 12-13.

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Time Traveler for cryptosporidium

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The first known use of cryptosporidium was in 1910

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Cite this Entry

“Cryptosporidium.” Dictionary, Merriam-Webster, Accessed 22 Sep. 2020.

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cryp·​to·​spo·​rid·​i·​um | \ ˌkrip-tō-spȯr-ˈid-ē-əm How to pronounce cryptosporidium (audio) \

Medical Definition of cryptosporidium

1 capitalized : a genus of protozoans of the order Coccidia that are parasitic in the gut of many vertebrates including humans and that sometimes cause diarrhea especially in individuals who are immunocompromised (as in AIDS)
2 plural cryptosporidia\ -​ē-​ə How to pronounce cryptosporidia (audio) \ : any protozoan of the genus Cryptosporidium

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