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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.

As of Thursday, 20 dogs at Chesterfield Square had tested positive for giardia, according to L.A.

From Los Angeles Times • Feb. 13, 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

Results showed on June 10 that giardia was found in the surrounding area of the set.

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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