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.
The research team is continuing to investigate how food additives and ultra-processed foods influence inflammation, oxidative stress, blood metabolic markers, and the composition of the gut microbiota.
From Science Daily ● Jun. 18, 2026
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
These findings add to growing evidence that diet plays a key role in both cardiovascular and cognitive health through its influence on the gut microbiota.
From Science Daily ● Apr. 18, 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.