Definition of "lactobacillus" [lactobacillus]

• Any of various rod-shaped, nonmotile aerobic bacteria of the genus Lactobacillus that ferment lactic acid from sugars and are the causative agents in the souring of milk. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Next she tracked down and begged for a culture of the yeast strain he suggested called lactobacillus, finally obtaining it from a fellow brewery in Bend."
• "We propose such as many other doctors have, that it could be essential to digest dairy products with Probiotics (aka lactobacillus) in order to maintain balance and its own sense shield the good bacteria from being destroyed; antibiotics will destroy any type of bacteria regardless if it's good or bad."
• "The healthy alternative to pasteurized milk is raw milk, which is an outstanding source of nutrients including beneficial bacteria such as lactobacillus acidophilus, vitamins and enzymes, and it is, in my estimation, one of the finest sources of calcium available."