microbiota
noun
mi·cro·bi·o·ta
ˌmī-krō-bī-ˈō-tə 
: the microscopic organisms of a particular environment : microbiome sense 1
It's very possible that the master key to unlocking chronic disease will turn out to be the health and composition of the microbiota in your gut.—
Michael Pollan and Ruth Reichl
Michael Pollan and Ruth ReichlExamples of microbiota in a Sentence
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Probiotic supplements also typically contain gut microbes that settle in the small intestine, but the vast majority of gut microbiota colonize in the colon, Alper explained.
—Kaitlin Vogel, Health, 11 Dec. 2025
These included a small amount of muscle loss, increases in LDL and total cholesterol, and other reported issues such as possible nutritional deficiencies, gut microbiota changes, gastrointestinal symptoms, hyperuricemia, and (in some research) bone-health concerns.
—Emily Kay Votruba, EverydayHealth.com, 3 Dec. 2025
The activity and makeup of these microorganisms are called the microbiota, which can affect human health.
—Karen Berger, Verywell Health, 27 Oct. 2025
Previous research found that Treg cells in the gut play a crucial role in maintaining gut homeostasis – the dynamic balance between microbiota and immune cells found in the gut.
—Mitzi Nagarkatti, The Conversation, 10 Oct. 2025
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Kaitlin Vogel, Health, 11 Dec. 2025
These included a small amount of muscle loss, increases in LDL and total cholesterol, and other reported issues such as possible nutritional deficiencies, gut microbiota changes, gastrointestinal symptoms, hyperuricemia, and (in some research) bone-health concerns.
—Emily Kay Votruba, EverydayHealth.com, 3 Dec. 2025
The activity and makeup of these microorganisms are called the microbiota, which can affect human health.
—Karen Berger, Verywell Health, 27 Oct. 2025
Previous research found that Treg cells in the gut play a crucial role in maintaining gut homeostasis – the dynamic balance between microbiota and immune cells found in the gut.
—Mitzi Nagarkatti, The Conversation, 10 Oct. 2025
See All Example Sentences for microbiota
Cite this Entry
“Microbiota.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microbiota. Accessed 31 Dec. 2025.
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microbiota
noun
mi·cro·bi·o·ta
-bī-ˈōt-ə
: the microscopic organisms of a particular environment : microbiome sense 1
The more we learn about our microbiota, however, the more we realize how easy it is for helpful microbes to get caught in the line of fire between an antibiotic and its intended target.—Nathan Wolfe, National Geographic
Nathan Wolfe, National Geographic… the microbiota on the tongue differ from those species living in plaque on teeth.—Mel Rosenberg, Scientific American
Mel Rosenberg, Scientific AmericanLove words? Need even more definitions?
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