pas·​teur·​ize | \ ˈpas-chə-ˌrīz How to pronounce pasteurize (audio) , ˈpas-tyə- How to pronounce pasteurize (audio) , -tə- How to pronounce pasteurize (audio) \
pasteurized; pasteurizing

Definition of pasteurize

Other Words from pasteurize

pasteurizer noun

Examples of pasteurize in a Sentence

Recent Examples on the Web The bacteria-killing process starts working right away, but won’t completely pasteurize for a couple weeks, three to be safe. Jason O'bryan, Robb Report, 14 Dec. 2021 At Cascade, Martin and his team pasteurize a honey ginger lime sour ale, which incorporates raw honey. Claire Porter, Popular Mechanics, 25 May 2021 Most companies pasteurize their juices with high heat to destroy bacteria and prolong shelf life. New York Times, 19 Mar. 2021 Some pasteurize fluid milk, while others take raw milk and turn it into cheese, butter or ice cream. Danielle Wiener-bronner, CNN, 15 Apr. 2020 Once fermented, the yeast is harvested, washed, pasteurized and dried. Becky Hughes, New York Times, 8 May 2020 Typical backyard soil is too compacted, full of weed seeds and it is not pasteurized, causing seedling diseases and death. oregonlive, 17 Jan. 2020 The nonprofit will prepare and pasteurize the milk and distribute it to where it is needed most, said Nicole Robbins, education and outreach specialist for the organization. Cathy Kozlowicz, Milwaukee Journal Sentinel, 12 Feb. 2020 Cheddar, Manchego, and blue cheeses are readily available in both raw and pasteurized form. Liz Thorpe, Bon Appetit, 23 Apr. 2018 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pasteurize.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of pasteurize

1881, in the meaning defined above

History and Etymology for pasteurize

Louis Pasteur

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Time Traveler for pasteurize

Time Traveler

The first known use of pasteurize was in 1881

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Dictionary Entries Near pasteurize



paste wash

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Cite this Entry

“Pasteurize.” Dictionary, Merriam-Webster, Accessed 28 May. 2022.

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More Definitions for pasteurize


pas·​teur·​ize | \ ˈpas-chə-ˌrīz How to pronounce pasteurize (audio) , ˈpa-stə- \
pasteurized; pasteurizing

Kids Definition of pasteurize

: to keep a liquid (as milk) for a time at a temperature high enough to kill many harmful germs and then cool it rapidly

Other Words from pasteurize

pasteurizer noun


transitive verb
variants: also British pasteurise \ ˈpas-​chə-​ˌrīz How to pronounce pasteurize (audio) , ˈpas-​tə-​ How to pronounce pasteurize (audio) \
pasteurized also British pasteurised; pasteurizing also British pasteurising

Medical Definition of pasteurize

: to subject to pasteurization

Other Words from pasteurize

pasteurizer also British pasteuriser noun


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