noun (used with a singular or plural verb) Microbiology.
  1. the microorganisms, both flora and fauna, that inhabit a particular region, when considered collectively.
  2. 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. 2018

Examples from the Web for microbiota

Contemporary Examples of microbiota