acclimatization

/əˌklaɪ.mə.təˈzeɪ.ʃən/

//əˌklaɪ.mə.təˈzeɪ.ʃən// noun

"acclimatization" is a 15-letter English headword indexed on PlainSpell.

The verdict

“acclimatization” is uncommon English (frequency #93,367 among 35,202 “A” headwords), classed as a noun. The kind of spelling people second-guess.

#93,367
frequency rank, English
35,202
“A” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The act of acclimatizing; the process of inuring to a new climate, or the state of being so inured.

Key facts for acclimatization
PropertyValue
Headwordacclimatization
LanguageEnglish
Part of speechNoun
IPA/əˌklaɪ.mə.təˈzeɪ.ʃən/
Letters15
Frequency rank#93,367
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “acclimatization” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). acclimatization lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

acclimatization is uncommon English at frequency #93,367 among 35,202 “A” headwords, classed as anoun, transcribed /əˌklaɪ.mə.təˈzeɪ.ʃən/. Rarity is why readers land here mid-draft. 2 senses are on record.

No generated misspelling entries exist for acclimatization in our index, since its letter pattern doesn't lend itself to common typo substitutions. It is not paired with a close-neighbour confusable in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From acclimatize + -ation. The correct English form is acclimatization, spelled A-C-C-L-I-M-A-T-I-Z-A-T-I-O-N.

Definition

  1. 1
    The act of acclimatizing; the process of inuring to a new climate, or the state of being so inured.
  2. 2
    The climatic adaptation of an organism that has been moved to a new environment.

Etymology

From acclimatize + -ation.

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); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "acclimatization"?
"acclimatization" is spelled A-C-C-L-I-M-A-T-I-Z-A-T-I-O-N. The IPA pronunciation is /əˌklaɪ.mə.təˈzeɪ.ʃən/.
What does "acclimatization" mean?
As a noun, "acclimatization" means: The act of acclimatizing; the process of inuring to a new climate, or the state of being so inured.
How do you pronounce "acclimatization"?
The IPA (International Phonetic Alphabet) transcription for "acclimatization" is /əˌklaɪ.mə.təˈzeɪ.ʃən/. 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 "acclimatization"?
From acclimatize + -ation. 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.

Using “acclimatization”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is A-C-C-L-I-M-A-T-I-Z-A-T-I-O-N - every other letter order is a misspelling in standard orthography.
  • Say it as /əˌklaɪ.mə.təˈzeɪ.ʃən/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list