Meanings
nounlactobacillus (plural lactobacilli)
plural lactobacilli
- Any of many rod-shaped, nonmotile, aerobic bacteria, of the genus Lactobacillus, that ferment sugars to form lactic acid
Origin
From the genus name. lacto- + bacillus
Full word history & related roots →Cite this entry
APA
lactobacillus. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/lactobacillus
MLA
“lactobacillus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/lactobacillus. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “lactobacillus,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/lactobacillus.
Source: lactobacillus on Wiktionary, CC BY-SA 4.0.