Souring Sentence Examples
- Dean's mood was souring by the minute. 
- A bad instructor at a fitness club may not guide a practitioner properly, resulting in injury and forever souring the experience. 
- The lactic acid bacillus, always present in unboiled milk (to which the souring of milk is due), is easily destroyed by heat; but the bacillus mesentericus, often found in it, forms spores, which are not destroyed by ordinary boiling, and germinate when the milk is kept at a moderately warm temperature, producing a brisk fermentation whereby a large volume of gas is liberated. 
- Leave the milk on the skin 20 to 30 minutes and rinse gently away to prevent souring. 
- Without further purification it is also used for "souring" in bleaching, and in tin and lead soldering.