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Definition of microbiota

microbiota

/ˌmaɪ.kroʊ.baɪˈoʊ.tə/
mi · cro · bi · o · ta
Plural:microbiotas
•
Adjective:microbiotal
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microbiota Lexical Profile

microbiota Game Scores & Validity

• noun

1

The ecological community of commensal, symbiotic, and pathogenic microorganisms—including bacteria, fungi, archaea, and viruses—that inhabit a particular environment, especially the human digestive tract or another bodily site.

Example

"A diet rich in dietary fiber helps maintain a diverse and healthy gut microbiota."

Synonyms
View all synonyms for microbiota

Word Nuance & Usage

Often confused with 'microbiome', 'microbiota' specifically refers to the actual living microorganisms in an environment, whereas 'microbiome' technically includes both the organisms and their collective genetic material.

• Rhymes for microbiota

• Nearby Words

microbicide
microbiologist
microbiology
microbiota
microbiotic
microblading
microblog

Word Origin & Etymology

Coined in the early 20th century from the prefix 'micro-' (from Ancient Greek 'mikros', meaning 'small') and 'biota' (from Ancient Greek 'biote', meaning 'way of life').

Cite this Entry

Wordmom. (2026). Definition of Microbiota. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/microbiota
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