mi·​cro·​bi·​o·​ta | \ ˌmī-krō-bī-ˈō-tə How to pronounce microbiota (audio) \

Definition of microbiota

: 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

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Other Words from microbiota

microbiotic \ ˌmī-​krō-​bī-​ˈä-​tik How to pronounce microbiota (audio) \ adjective
the microbiotic environment of the gut

Examples of microbiota in a Sentence

Recent Examples on the Web Fiber intake can also have a positive effect on your gut, allowing important microbiota to flourish. Melissa Nott, chicagotribune.com, 2 Mar. 2021 What's more, the specific type of fiber found in onions (as well as garlic, wheat, and legumes) may more effectively feed the beneficial microbiota than the fiber found in other foods, a 2018 meta-analysis found. Caroline Picard, Good Housekeeping, 21 Jan. 2021 The extended quarantine of material from OpenBiome — a nonprofit based in Cambridge, Mass. — has likely affected fecal microbiota transplants at most academic medical centers. Kate Sheridan, STAT, 8 Dec. 2020 Additional, longer studies are necessary for greater understanding of how probiotic supplements could modify the gut microbiota, and therefore metabolism and weight. Kristen Rogers, CNN, 7 Sep. 2020 Parents interested in caring for their child's gut microbiota for weight management or overall health can look to whole food sources. Kristen Rogers, CNN, 7 Sep. 2020 And serotonin is likely just one of a numerous biochemical messengers dictating our mood and behavior that the microbiota impacts. Justin Sonnenburg, Scientific American, 1 May 2015 Why go through all this again, the hideous miracle of the human microbiota? Virginia Heffernan, Wired, 19 May 2020 Even a pathogen-free donor’s microbiota can vary from one day to another, depending on factors such as her diet, stress level and menstrual cycle. Monique Brouillette, Scientific American, 16 Oct. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'microbiota.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of microbiota

1914, in the meaning defined above

History and Etymology for microbiota

micro- + biota

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Learn More About microbiota

Time Traveler for microbiota

Time Traveler

The first known use of microbiota was in 1914

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Statistics for microbiota

Cite this Entry

“Microbiota.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microbiota. Accessed 23 Jun. 2021.

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More Definitions for microbiota


mi·​cro·​bi·​o·​ta | \ -bī-ˈōt-ə How to pronounce microbiota (audio) \

Medical Definition of microbiota

: 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, January 2013 … the microbiota on the tongue differ from those species living in plaque on teeth.— Mel Rosenberg, Scientific American, April 2002

Other Words from microbiota

microbiotic \ -​bī-​ˈät-​ik How to pronounce microbiota (audio) \ adjective
microbiotic life


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