lactobacillus Syllabification: (lac·to·ba·cil·lus)Pronunciation: /ˌlaktōbəˈsiləs/Definition of lactobacillus noun (plural lactobacilli /-ˈsiˌlī, -ˈsiˌlē/) Biology a rod-shaped bacterium that produces lactic acid from the fermentation of carbohydrates. Genus Lactobacillus; nonmotile Gram-postive bacteria lactobacillus in other Oxford dictionaries Definition of lactobacillus in the British & World English dictionary
