mi·​cro·​flo·​ra ˌmī-krə-ˈflȯr-ə How to pronounce microflora (audio)
: microscopic flora
: a small or strictly localized flora (as of a microenvironment)
microfloral adjective

Example Sentences

Recent Examples on the Web Our understanding of the microflora of the gut is really in its infancy. Dr. Keith Roach, oregonlive, 19 Aug. 2021 Once the dairy proteins are created, they’re filtered to remove the microflora. Janelle Bitker, SFChronicle.com, 8 May 2020 Studies substantiate that overuse of chemical fertilisers to get high yield causes physical and chemical degradation of the soil by altering the natural microflora and increasing the alkalinity and salinity of the soil. Basudev Mahapatra, Quartz India, 11 Feb. 2020 Most were run-of-the-mill microflora like those still found in most human mouths. Brian Handwerk, Smithsonian, 17 Dec. 2019 Each human has their own microflora—bacteria and other microorganisms that live on and in them. Scientific American, 26 Aug. 2019 The microflora use fermentation to turn sugar into milk proteins that are identical to those from a cow. Beth Kowitt, Fortune, 11 July 2019 Essentially, Perfect Day gives microflora — a specific type of fungi — a blueprint through biotechnology that allows it to ferment sugar and create whey and casein. Janelle Bitker, SFChronicle.com, 11 July 2019 Most supplements contain a cocktail of these varying probiotic strains, designed to deliver a one-two punch of healthy bacteria that supports overall health and the diversity of the gut’s microflora. Lauren Valenti, Vogue, 16 Oct. 2018 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'microflora.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History


New Latin

First Known Use

1904, in the meaning defined at sense 1

Time Traveler
The first known use of microflora was in 1904

Dictionary Entries Near microflora

Cite this Entry

“Microflora.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microflora. Accessed 1 Feb. 2023.

Medical Definition


mi·​cro·​flo·​ra ˌmī-krə-ˈflōr-ə, -ˈflȯr- How to pronounce microflora (audio)
: a small or strictly localized flora (as of a microenvironment)
intestinal microflora
: microscopic flora compare macroflora
microfloral adjective
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