biofilm
noun
bio·film
ˌbi-(ˌ)ō-ˈfilm 
: a thin usually resistant layer of microorganisms (such as bacteria) that form on and coat various surfaces
Examples of biofilm in a Sentence
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In either case, the robot destroys the biofilms in three ways.
—
New Atlas, 28 Mar. 2025
Green tea also blocks E. coli from forming a biofilm, which is a slimy, protective shield that bacteria create to stick together and resist treatment.8
Green tea may also help certain antibiotics, like amoxicillin and ciprofloxacin, work better.
—Devineé Lingo, M.s., Health, 7 Apr. 2025
The study found that oyster blood can kill bacterial pathogens in the biofilms.
—Laura Baisas, Popular Science, 22 Jan. 2025
Testing the extract in biofilms was especially important, because bacteria sometimes armor themselves against antibiotics by cloaking themselves in a sticky matrix composed of microorganisms.
—Paul Smaglik, Discover Magazine, 21 Jan. 2025
See All Example Sentences for biofilm
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New Atlas, 28 Mar. 2025
Green tea also blocks E. coli from forming a biofilm, which is a slimy, protective shield that bacteria create to stick together and resist treatment.8
Green tea may also help certain antibiotics, like amoxicillin and ciprofloxacin, work better.
—Devineé Lingo, M.s., Health, 7 Apr. 2025
The study found that oyster blood can kill bacterial pathogens in the biofilms.
—Laura Baisas, Popular Science, 22 Jan. 2025
Testing the extract in biofilms was especially important, because bacteria sometimes armor themselves against antibiotics by cloaking themselves in a sticky matrix composed of microorganisms.
—Paul Smaglik, Discover Magazine, 21 Jan. 2025
See All Example Sentences for biofilm
Cite this Entry
“Biofilm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biofilm. Accessed 7 May. 2025.
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biofilm
noun
bio·film
ˈbī-ō-ˌfilm
: a thin usually resistant layer of microorganisms (as bacteria) that form on and coat various surfaces (as of catheters or water pipes)
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