# lactobacillus

> English word · Noun · frequency rank #60,921

## Definitions
1. Any of many rod-shaped, nonmotile, aerobic bacteria, of the genus Lactobacillus, that ferment sugars to form lactic acid

## Etymology
From the genus name.
lacto- + bacillus

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/lactobacillus