pasteurization

noun

pas·​teur·​i·​za·​tion ˌpas-chə-rə-ˈzā-shən How to pronounce pasteurization (audio)
ˌpas-tyə-,
-tə-
1
: partial sterilization of a substance and especially a liquid (such as milk) at a temperature and for a period of exposure that destroys objectionable organisms without major chemical alteration of the substance
2
: irradiation of food products

Examples of pasteurization in a Sentence

Recent Examples on the Web Studies have also indicated that the pasteurization process -- which kills bacteria and viruses that might be in the donor milk -- may reduce many of the protective components of human milk. James Hill, ABC News, 7 July 2024 The researchers predict that pasteurization may be effective at killing as many as one trillion viral particles per milliliter. Lauren J. Young, Scientific American, 2 July 2024 Despite what raw milk fans may believe, the pasteurization process doesn’t mess with the nutritional makeup of the beverage. Caroline Tien, SELF, 2 July 2024 The second pasteurization approach — a half hour at 63 degrees Celsius — was more effective. Alexander Tin, CBS News, 14 June 2024 See all Example Sentences for pasteurization 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'pasteurization.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1886, in the meaning defined at sense 1

Time Traveler
The first known use of pasteurization was in 1886

Dictionary Entries Near pasteurization

Cite this Entry

“Pasteurization.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pasteurization. Accessed 19 Jul. 2024.

Kids Definition

pasteurization

noun
pas·​teur·​i·​za·​tion ˌpas-chə-rə-ˈzā-shən How to pronounce pasteurization (audio)
ˌpas-tə-
: the process of heating a liquid (as milk) to a temperature high enough and keeping it at that temperature long enough to kill many objectionable germs and then cooling it rapidly without causing a major change in its chemical composition

Medical Definition

pasteurization

noun
pas·​teur·​iza·​tion
variants also British pasteurisation
1
: partial sterilization of a substance and especially a liquid (as milk) at a temperature and for a period of exposure that destroys pathogenic microorganisms
2
: partial sterilization of perishable food products (as fruit or poultry) with radiation (as gamma rays emitted by cobalt 60)

More from Merriam-Webster on pasteurization

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