pasteurize

/ˈpæst͡ʃəɹaɪz/

//ˈpæst͡ʃəɹaɪz// verb

"pasteurize" is a 10-letter English headword indexed on PlainSpell.

The verdict

“pasteurize” is uncommon English (outside the top frequency list), classed as a verb. The kind of spelling people second-guess.

Unranked
below top-frequency English
10
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To heat food for the purpose of killing harmful organisms such as bacteria, viruses, protozoa, molds, and yeasts.

Corpus desk

Index EN-pasteurize · pasteurize · English

pasteurize · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "P" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for pasteurize
PropertyValue
Headwordpasteurize
LanguageEnglish
Part of speechVerb
IPA/ˈpæst͡ʃəɹaɪz/
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “pasteurize” in English

pasteurizefalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

pasteurize is uncommon English outside the top frequency list, classed as averb, transcribed /ˈpæst͡ʃəɹaɪz/. Rarity is why readers land here mid-draft. Gloss: "To heat food for the purpose of killing harmful organisms such as bacteria, viruses, protozoa, molds, and yeasts.".

No misspelling variants are generated for pasteurize in our index, a straightforward case of a spelling with little room for common typos. Our dataset records no confusable match here, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: Borrowed from French pasteuriser. From Louis Pasteur, the inventor of the process, + -ize. The correct English form is pasteurize, spelled P-A-S-T-E-U-R-I-Z-E.

Definition

  1. 1
    To heat food for the purpose of killing harmful organisms such as bacteria, viruses, protozoa, molds, and yeasts.

Etymology

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

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "pasteurize"?
"pasteurize" is spelled P-A-S-T-E-U-R-I-Z-E. The IPA pronunciation is /ˈpæst͡ʃəɹaɪz/.
What does "pasteurize" mean?
As a verb, "pasteurize" means: To heat food for the purpose of killing harmful organisms such as bacteria, viruses, protozoa, molds, and yeasts.
How do you pronounce "pasteurize"?
The IPA (International Phonetic Alphabet) transcription for "pasteurize" is /ˈpæst͡ʃəɹaɪz/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "pasteurize"?
Borrowed from French pasteuriser. From Louis Pasteur, the inventor of the process, + -ize. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list