Real Dictionary

pasteurize in American English
to subject (milk, beer, etc.) to pasteurization
transitive verb: to expose (a food, as milk, cheese, yogurt, beer, or wine) to an elevated temperature for a period of time sufficient to destroy certain microorganisms, as those that can produce disease or cause spoilage or undesirable fermentation of food, without radic

pasteurize in British English
to subject (milk, beer, etc) to pasteurization