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

Keep scrolling for more

Other Words from pasteurize

pasteurizer noun

Examples of pasteurize in a Sentence

Recent Examples on the Web

Living microorganisms with health benefits are known as probiotics, but Cani found that Akkermansia muciniphila was most effective when pasteurized, or killed through heat. Arman Azad, CNN, "This bacteria may help people with obesity live healthier lives, study says," 3 July 2019 The farm pasteurizes the milk and turns some of it into yogurt on the middle floor of the pontoon. Washington Post, "Dutch farm floats possibilities of urban dairy production," 30 June 2019 The farm pasteurizes the milk and turns some of it into yoghurt on the middle floor of the pontoon. Mike Corder,, "Dutch farm floats possibilities of urban dairy production," 29 June 2019 Longer-aged cheeses (which will be firmer in texture, potentially even hard, dry, or grainy) may or may not be pasteurized. Liz Thorpe, Bon Appetit, "Wait, So What Cheese Can You Eat While Pregnant?," 23 Apr. 2018 Cultured buttermilk is from milk that has been pasteurized and homogenized. Heloise, Houston Chronicle, "The basics of buttermilk," 12 June 2018 Depending on the week, the culinary projects range from pasteurizing milk to making goat cheese and from stirring up strawberry jam to canning beans. Anne Schamberg, Milwaukee Journal Sentinel, "Farming out the kids: Gathering eggs, milking cows, cooking teach about country life," 3 July 2018 Parfait, a shop in the Ballard neighborhood, pasteurizes its own ice cream base onsite and makes everything from fudge brownies to sprinkles from scratch. Morgan Goldberg, USA TODAY, "The Emerald City's ultimate ice cream trail," 18 June 2018 Drought’s 12-ounce bottle requires three-to-five pounds of fresh fruit to produce, for instance, and the drinks are made in small batches that aren’t heat pasteurized. John D. Stoll, WSJ, "Small Brands Are Taking a Thousand Little Bites Out of Campbell’s Business," 21 May 2018

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.

See More

First Known Use of pasteurize

1881, in the meaning defined above

History and Etymology for pasteurize

Louis Pasteur

Keep scrolling for more

Learn More about pasteurize

Statistics for pasteurize

Last Updated

20 Jul 2019

Look-up Popularity

Time Traveler for pasteurize

The first known use of pasteurize was in 1881

See more words from the same year

Keep scrolling for more

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 pasteurise (audio) , ˈpas-​tə-​ How to pronounce pasteurise (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

Keep scrolling for more

More from Merriam-Webster on pasteurize

Rhyming Dictionary: Words that rhyme with pasteurize

Spanish Central: Translation of pasteurize

Nglish: Translation of pasteurize for Spanish Speakers

Britannica English: Translation of pasteurize for Arabic Speakers

Comments on pasteurize

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


something desired as essential

Get Word of the Day daily email!

Test Your Vocabulary

What's that Smell?! Quiz

  • wide eyed dog smelling rose
  • Someone who is hircine smells like a:
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!


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!