Dictionary Home »
Dictionary Definitions » lactobacillus
lactobacillus
noun pl. lactobacilli
any of a genus (Lactobacillus) of bacteria that ferment milk, carbohydrates, etc., producing lactic acid and carbon dioxide: found as saprophytes or as parasites in the mouth, intestinal tract, and vagina of humans and other mammals
See lactobacillus in American Heritage Dictionary 4
Learn more about lactobacillus