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giardia

American  
[jee-ahr-dee-uh, jahr-] / dʒiˈɑr di ə, ˈdʒɑr- /

noun

  1. any flagellate of the genus Giardia, parasitic in the intestines of vertebrates.


Etymology

Origin of giardia

< New Latin, named after Alfred M. Giard (died 1908), French biologist; see -ia


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.

See Examples For:

Dogs at the Chesterfield Square animal shelter have been kept inside their kennels for three weeks due to a giardia outbreak.

From Los Angeles Times ● Apr. 3, 2026

Giardiasis is an illness caused by the giardia parasite, and can be caused by drinking water that's not been treated to kill germs, according to the NHS.

From BBC ● Apr. 15, 2022

Swine can harbor dozens of diseases including E. coli, leptospirosis, giardia, toxoplasmosis, and salmonella.

From Seattle Times ● Feb. 1, 2022

The outlet, citing a person with knowledge, reported that the giardia outbreak caused 40 members of the crew to become "violently ill" with "awful explosive diarrhea."

From Fox News ● Jul. 3, 2021

There’s a reason most illnesses that spread through water, like giardia and norovirus, involve diarrhea.

From Slate ● May 28, 2020

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