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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:

“You have a whole system in survival mode,” said Vaughan, who contracted giardia shortly after arriving in Gaza and who ate just once a day because there was so little food.

From Los Angeles Times Oct. 12, 2025

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

It is now common to see people wading to hospitals with waterborne illnesses like dysentery, giardia, hepatitis and schistosomiasis.

From Seattle Times Nov. 20, 2021

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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