un·​pas·​teur·​ized | \ ˌən-ˈpas-chə-ˌrīzd How to pronounce unpasteurized (audio) , -ˈpa-styə-, -stə-\

Definition of unpasteurized

: not subjected to pasteurization : not pasteurized unpasteurized milk

Examples of unpasteurized in a Sentence

Recent Examples on the Web

Infectious disease researchers investigating the cases traced the infections back to beef from the US and soft cheeses from Mexico (mostly queso fresco, which is typically made from unpasteurized milk). Beth Mole, Ars Technica, "Deadly superbug outbreak in humans linked to antibiotic spike in cows," 23 Aug. 2019 The milk is unscreened and unpasteurized, which is why both the Food and Drug Administration and the American Academy of Pediatrics advise against using it. Zoe Greenberg, BostonGlobe.com, "‘Everybody wants it’: The thriving breast milk market," 10 Aug. 2019 Also, unpasteurized juices may contain harmful bacteria that cause infections. Elizabeth Lawrence, USA TODAY, "Vaping, juice cleanses, fitness trackers: Some 'healthy' trends are riskier than you think," 4 July 2019 Other Crypto outbreaks have been traced back to cattle farms, childcare centers and consumption of unpasteurized milk and apple cider, according to the CDC. Jamie Ducharme, Time, "A Fecal Parasite Is Causing More Disease Outbreaks, and Swimming Pools May Be to Blame, CDC Says," 1 July 2019 Twenty-two cases were foodborne, most involving unpasteurized milk or apple cider. Eliott C. Mclaughlin, CNN, "CDC issues warning on 'crypto' fecal parasite that can live for days in swimming pools," 30 June 2019 About 3% of cases were linked to drinking unpasteurized milk or apple cider. Justin L. Mack, Indianapolis Star, "A poop-borne parasite that spreads through pool water is in Marion County," 1 June 2017 The festival is a chance to try one-of-a-kind beers created to be served unfiltered, unpasteurized and without carbonation. Kathy Flanigan, Milwaukee Journal Sentinel, "These 5 outdoor beer festivals will quench a thirst for unique brews," 5 June 2019 Expert bottom line: Besides the ick factor, viruses like HIV can be spread by unpasteurized breast milk. Sarah Grossbart, Redbook, "3 Wacky Health Trends to Skip," 28 Jan. 2012

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

See More

First Known Use of unpasteurized

1881, in the meaning defined above

Keep scrolling for more

Learn More about unpasteurized

Statistics for unpasteurized

Last Updated

8 Sep 2019

Look-up Popularity

Time Traveler for unpasteurized

The first known use of unpasteurized was in 1881

See more words from the same year

Keep scrolling for more

More Definitions for unpasteurized


variants: also British unpasteurised \ -​ˈpas-​chə-​ˌrīzd How to pronounce unpasteurised (audio) \

Medical Definition of unpasteurized

: not pasteurized unpasteurized milk

Comments on unpasteurized

What made you want to look up unpasteurized? Please tell us where you read or heard it (including the quote, if possible).


friendly or mild

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!