[ mahy-kroh-bahy-oh-tuh ]
/ ˌmaɪ kroʊ baɪˈoʊ tə /

noun (used with a singular or plural verb) Microbiology.

the microorganisms, both flora and fauna, that inhabit a particular region, when considered collectively.
the microorganisms that live in the human body, symbiotically or pathologically. See also microbiome.

Origin of microbiota

First recorded in 1925–30; micro- + biota
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for microbiota