biofilm

noun

bio·​film ˌbi-(ˌ)ō-ˈfilm How to pronounce biofilm (audio)
: a thin usually resistant layer of microorganisms (such as bacteria) that form on and coat various surfaces

Examples of biofilm in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
These biofilms are communities of microorganisms that attach themselves to surfaces in a sticky, protective matrix. Laura Baisas, Popular Science, 22 Jan. 2025 Bacterial biofilms have contributed to a global rise in antibiotic resistance, which has created a serious healthcare risk by limiting treatment options. New Atlas, 21 Jan. 2025 Some form dense plaques together, known as biofilms. Veronique Greenwood, Quanta Magazine, 6 Jan. 2025 So for example, bacteria tend to form what are known as biofilms, basically sheets of many bacteria lined up next to each other. Steven Strogatz, Quanta Magazine, 5 Dec. 2024 See all Example Sentences for biofilm 

Word History

First Known Use

1975, in the meaning defined above

Time Traveler
The first known use of biofilm was in 1975

Dictionary Entries Near biofilm

Cite this Entry

“Biofilm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biofilm. Accessed 7 Feb. 2025.

Medical Definition

biofilm

noun
bio·​film ˈbī-ō-ˌfilm How to pronounce biofilm (audio)
: a thin usually resistant layer of microorganisms (as bacteria) that form on and coat various surfaces (as of catheters or water pipes)
Last Updated: - Updated example sentences
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