Word.ws English Dictionary

pasteurise

UK/ˈpɑːstʃəɹaɪz//ˈpæst͡ʃəɹaɪz/

pasteurise verb: to heat food for the purpose of killing harmful organisms such as bacteria, viruses, protozoa, molds, and yeasts.

Verb

pasteurise (third-person singular simple present pasteurises, present participle pasteurising, simple past and past participle pasteurised)

  1. (transitive) To heat food for the purpose of killing harmful organisms such as bacteria, viruses, protozoa, molds, and yeasts.
    • Opolot liked his milk straight from the cow – pasteurising kills both the taste and the savour, he claimed – and hardly diluted.2014, Jennifer Nansubuga Makumbi, Kintu, Oneworld Publications (2018), page 138

Forms of pasteurise

third-person singular presentpasteurises
present participlepasteurising
past participlepasteurised
pastpasteurised
alternative formpasteurize

Origin of pasteurise

Borrowed from French pasteuriser. From Louis Pasteur, the inventor of the process, + -ise.

Words formed from pasteurise

Questions about pasteurise

What does pasteurise mean?
Pasteurise means to heat food for the purpose of killing harmful organisms such as bacteria, viruses, protozoa, molds, and yeasts.
What part of speech is pasteurise?
Pasteurise is a verb.
How do you pronounce pasteurise?
Pasteurise is pronounced /ˈpæst͡ʃəɹaɪz/ (US).
What is the past tense of pasteurise?
The past tense of pasteurise is pasteurised.

Words near pasteurise in the dictionary

  1. pasteurellosis
  2. Pasteurian
  3. pasteurisable
  4. pasteurisation
  5. pasteurisations
  6. pasteurise
  7. pasteurised
  8. pasteuriser
  9. pasteurisers
  10. pasteurises
  11. pasteurising

Source and license

Adapted from Wiktionary: pasteurise (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: en-us-pasteurize.ogg.

Cite this entry: “pasteurise.” Word.ws, https://word.ws/pasteurise. Based on Wiktionary, CC BY-SA 4.0.