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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What differentiates colloids from biofilms is growth, which a biofilm must balance between the horizontal and the vertical.
—
Carrie Arnold, Quanta Magazine, 21 Apr. 2025
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
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Carrie Arnold, Quanta Magazine, 21 Apr. 2025
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
See All Example Sentences for biofilm
Cite this Entry
“Biofilm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biofilm. Accessed 25 May. 2025.
Copy CitationMedical Definition
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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