lactobacillus
noun
lac·to·ba·cil·lus
ˌlak-tō-bə-ˈsi-ləs 
: any of a genus (Lactobacillus) of bacteria that produce lactic acid
Examples of lactobacillus in a Sentence
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In healthy women without bacterial vaginosis, lactobacillus crispatus is the dominant bacteria and in those in a dysbiotic state there’s less lactobacillus crispatus and a more diverse microbiota, including bacteria like gardnerella vaginalis.
—
Sara Novak, Discover Magazine, 12 June 2024
Four different forms of retinol are joined by nourishing shea butter and lactobacillus ferment lysate to help maintain a healthy skin barrier and protect it from the harsh effects of retinol.
—Devon Abelman, Glamour, 17 Sep. 2024
Via medium, matte coverage, this no-caking foundation imparts salicylic acid, anti-inflammatory lactobacillus ferment, and redness-reducing red algae extract to hold your hand (and face) through all kinds of breakouts.
—Annie Blackman, Allure, 7 Sep. 2024
The tea tree is then purified and combined with lactobacillus, a probiotic strain known to calm inflammation, reduce sebum (oil) production, and defend your skin from environmental aggressors such as UV rays and pollution.
—Venus Wong, refinery29.com, 28 June 2024
See all Example Sentences for lactobacillus 
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Sara Novak, Discover Magazine, 12 June 2024
Four different forms of retinol are joined by nourishing shea butter and lactobacillus ferment lysate to help maintain a healthy skin barrier and protect it from the harsh effects of retinol.
—Devon Abelman, Glamour, 17 Sep. 2024
Via medium, matte coverage, this no-caking foundation imparts salicylic acid, anti-inflammatory lactobacillus ferment, and redness-reducing red algae extract to hold your hand (and face) through all kinds of breakouts.
—Annie Blackman, Allure, 7 Sep. 2024
The tea tree is then purified and combined with lactobacillus, a probiotic strain known to calm inflammation, reduce sebum (oil) production, and defend your skin from environmental aggressors such as UV rays and pollution.
—Venus Wong, refinery29.com, 28 June 2024
See all Example Sentences for lactobacillus
Dictionary Entries Near lactobacillus
Cite this Entry
“Lactobacillus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lactobacillus. Accessed 15 Nov. 2024.
Copy CitationMedical Definition
lactobacillus
noun
lac·to·ba·cil·lus
ˌlak-tō-bə-ˈsil-əs
1
capitalized
: a genus of gram-positive nonmotile lactic-acid-forming bacteria of the family Lactobacillaceae including various commercially important lactic acid bacteria
2
plural lactobacilli
-ˌī also -ˌē
: any bacterium of the genus Lactobacillus
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