noun. ['ˌlæktoʊbəˈsɪləs'] a Gram-positive rod-shaped bacterium that produces lactic acid (especially in milk).
- true bacteria
- Lactobacillus acidophilus
Rhymes with Lactobacillus
Sentences with lactobacillus
Powerful strains of probiotics found in yogurt include lactobacillus and bifidobacteria.
2. Noun, singular or mass
NYU Langone Medical Center reports that the lactobacillus strain is associated with fighting this bacteria.