microbiota
Americannoun
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the microorganisms, both flora and fauna, that inhabit a particular region, when considered collectively.
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the microorganisms that live in the human body, symbiotically or pathologically.
Etymology
Origin of microbiota
First recorded in 1925–30; micro- ( def. ) + biota ( def. )
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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 the mice aged, the researchers transplanted the stored samples back into the same animals through a process known as fecal microbiota transplantation, or FMT.
From Science Daily ● May 9, 2026
The findings, published in Cell Host & Microbe, could also help scientists better understand how gut microbiota influences overall health and disease.
From Science Daily ● Apr. 9, 2026
Scientists have long known that gut microbiota plays a role in colorectal cancer.
From Science Daily ● Apr. 9, 2026
Earlier studies have shown that bacteria living in the gut, known collectively as the gut microbiota, can influence how much serotonin the body produces.
From Science Daily ● Mar. 13, 2026
However, scientists believe that conditions inside the intestine, including the gut microbiota and the chemical messenger serotonin, play an important role.
From Science Daily ● Mar. 13, 2026
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.