Definitions

1. verb

to sterilize (something) by heat, especially by heating it to 161.5 degrees Fahrenheit for a specified time, to kill bacteria and other microorganisms, especially in milk or other liquids.

“The dairy factory pasteurised the milk to ensure it was safe for consumption.”

2. noun

the process of sterilizing (something) by heat.

“The pasteurisation process was a major breakthrough in food safety.”