Definition of lactobacillus
: any of a genus (Lactobacillus) of bacteria that produce lactic acid
Recent Examples of lactobacillus from the Web
Tenofovir stayed around longer when mixed with healthy lactobacilli, while concentrations plummeted rapidly when mixed with a particularly bad bug named Gardnerella vaginalis.
Cilurzo put them in oak chardonnay barrels and sparked them with the Belgian yeast, Brettanomyces, as well as pediococcus and lactobacillus.
The antibiotic residues do not affect the disease-causing bacteria; the lactobacilli appear to be more sensitive.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lactobacillus.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of lactobacillus
First Known Use: 1924See Words from the same year
Medical Definition of lactobacillus
1 capitalized : a genus of gram-positive nonmotile lactic-acid-forming bacteria of the family Lactobacillaceae including various commercially important lactic acid bacteria
2plural lactobacilli \-ˌī also -ˌē\play : any bacterium of the genus Lactobacillus
Learn More about lactobacillus
Britannica.com: Encyclopedia article about lactobacillus
Seen and Heard
What made you want to look up lactobacillus? Please tell us where you read or heard it (including the quote, if possible).