giardia
noun
giar·dia
jē-ˈär-dē-ə 
ˈjär-
ˈjär-
: any of a genus (Giardia) of flagellate protozoans inhabiting the intestines of various mammals and including one (G. lamblia synonym G. intestinalis) that is associated with diarrhea in humans
Examples of giardia in a Sentence
Recent Examples on the Web
These diseases include bacterial infections like campylobacter and salmonella and parasitic infections like cryptosporidium, giardia and tapeworm.
Symptoms can include abdominal cramping, diarrhea, fever and vomiting.
—
Katia Hetter, CNN, 29 Feb. 2024
The micro-filtration membrane removes waterborne bacteria (including E. coli and salmonella) as well as waterborne parasites (including giardia and cryptosporidium) to provide up to 1,000 gallons of clean, safe drinking water when used properly.
—Alesandra Dubin, Travel + Leisure, 2 Jan. 2024
Lakes quickly turn into barren puddles filled with giardia; forest floors become plant morgues; tree roots become tripping hazards.
—Jay Caspian Kang, The New Yorker, 6 Sep. 2023
Ranger suffered from parasites for several months — coccidia, then giardia.
—Kimi Robinson, azcentral, 9 Dec. 2019
According to Sawyer, the filter removes 99.99999 percent of salmonella, cholera, and E.coli and 99.9999 percent of cryptosporidium and giardia, without requiring batteries, chemicals, or replaceable filters.
—Kari Bodnarchuk, BostonGlobe.com, 18 June 2019
For example, a number of parasites, such as giardia, are missing mitochondria.
—Quanta Magazine, 29 Oct. 2015
Humans usually get a different type of giardia than cats and dogs, the CDC explains.
—Carolyn L. Todd, SELF, 2 May 2019
Other common parasitical infections like giardia also tend to clear up within a few weeks, sometimes without any symptoms at all.
—Eleanor Hildebrandt, Popular Mechanics, 6 Nov. 2018
Katia Hetter, CNN, 29 Feb. 2024
The micro-filtration membrane removes waterborne bacteria (including E. coli and salmonella) as well as waterborne parasites (including giardia and cryptosporidium) to provide up to 1,000 gallons of clean, safe drinking water when used properly.
—Alesandra Dubin, Travel + Leisure, 2 Jan. 2024
Lakes quickly turn into barren puddles filled with giardia; forest floors become plant morgues; tree roots become tripping hazards.
—Jay Caspian Kang, The New Yorker, 6 Sep. 2023
Ranger suffered from parasites for several months — coccidia, then giardia.
—Kimi Robinson, azcentral, 9 Dec. 2019
According to Sawyer, the filter removes 99.99999 percent of salmonella, cholera, and E.coli and 99.9999 percent of cryptosporidium and giardia, without requiring batteries, chemicals, or replaceable filters.
—Kari Bodnarchuk, BostonGlobe.com, 18 June 2019
For example, a number of parasites, such as giardia, are missing mitochondria.
—Quanta Magazine, 29 Oct. 2015
Humans usually get a different type of giardia than cats and dogs, the CDC explains.
—Carolyn L. Todd, SELF, 2 May 2019
Other common parasitical infections like giardia also tend to clear up within a few weeks, sometimes without any symptoms at all.
—Eleanor Hildebrandt, Popular Mechanics, 6 Nov. 2018
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'giardia.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
Etymology
New Latin, from Alfred M. Giard †1908 French biologist
First Known Use
1918, in the meaning defined above
Dictionary Entries Near giardia
Cite this Entry
“Giardia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/giardia. Accessed 16 Apr. 2024.
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Medical Definition
giardia
noun
giar·dia
jē-ˈär-dē-ə
ˈjär-
ˈjär-
1
capitalized
: a genus of flagellate protozoans inhabiting the intestines of various mammals and including one (G. lamblia synonym G. intestinalis) that is associated with diarrhea in humans
2
: any flagellate of the genus Giardia
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