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
Recent Examples on the Web
According to Solawave, the prebiotic beta-glucan and the mushroom extract sparassis crispa extract help with the skin’s moisture, while the probiotic lactobacillus ferment lysate betters the appearance of the skin.
—
Alyssa Grabinski, Peoplemag, 13 June 2023
It's known that one kind of probiotic, lactobacillus acidophilus, can stimulate bacterial growth in the gut and cause weight increase.
—Amber Smith, Discover Magazine, 20 Oct. 2022
This mixed culture ale was fermented with a blend of brettanomyces and lactobacillus to create a sour stage for showcasing Oregon native Silvan blackberries from West Union Gardens, plus a generous heap of lime zest.
—oregonlive, 31 Mar. 2023
This mildly sour, chewy bread is made with a lactic acid starter containing lactobacillus strains, a friendly type of bacteria that adds good microbes to the bakery staple.
—Jessica Migala, Health, 6 Feb. 2023
The other superstar of Blu Atlas’s cleanser formula is lactobacillus fermented filtrate.
—The Salt Lake Tribune, 9 May 2022
Other ingredients include lactobacillus ferment and pomegranate seed oil, which intensely soothe and nourish the skin.
—Blu Atlas, The Salt Lake Tribune, 30 Sep. 2022
See More
Alyssa Grabinski, Peoplemag, 13 June 2023
It's known that one kind of probiotic, lactobacillus acidophilus, can stimulate bacterial growth in the gut and cause weight increase.
—Amber Smith, Discover Magazine, 20 Oct. 2022
This mixed culture ale was fermented with a blend of brettanomyces and lactobacillus to create a sour stage for showcasing Oregon native Silvan blackberries from West Union Gardens, plus a generous heap of lime zest.
—oregonlive, 31 Mar. 2023
This mildly sour, chewy bread is made with a lactic acid starter containing lactobacillus strains, a friendly type of bacteria that adds good microbes to the bakery staple.
—Jessica Migala, Health, 6 Feb. 2023
The other superstar of Blu Atlas’s cleanser formula is lactobacillus fermented filtrate.
—The Salt Lake Tribune, 9 May 2022
Other ingredients include lactobacillus ferment and pomegranate seed oil, which intensely soothe and nourish the skin.
—Blu Atlas, The Salt Lake Tribune, 30 Sep. 2022
See More
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'lactobacillus.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
Etymology
New Latin
First Known Use
1924, in the meaning defined above
Dictionary Entries Near lactobacillus
Cite this Entry
“Lactobacillus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lactobacillus. Accessed 25 Sep. 2023.
Copy Citation
Medical 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
More from Merriam-Webster on lactobacillus
Britannica.com: Encyclopedia article about lactobacillus
Love words? Need even more definitions?
Merriam-Webster unabridged
Share