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giardia

American

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

noun

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; -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.

Some animals had notes written on blue index cards attached to their identification cards listing giardia, diarrhea or other illnesses.

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

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023