acclimatization

/əˌklaɪ.mə.təˈzeɪ.ʃən/

//əˌklaɪ.mə.təˈzeɪ.ʃən// noun

By · According to Wiktionary data (CC BY-SA) ·

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

The verdict

“acclimatization” is uncommon English (frequency #93,367 among 3,931 “A” headwords), classed as a noun. The kind of spelling people second-guess.

#93,367
frequency rank, English
3,931
“A” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The act of acclimatizing; the process of inuring to a new climate, or the state of being so inured.

Corpus desk

Index EN-acclimatization · acclimatization · English

acclimatization · rank #93,367 · 0 variants · 0 confusables

  • FREQ-RARE #93,367
  • LEN-MEGA 15 letters
  • VOW-7 7 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH abseiling

Nearest frequency peer: abseiling (-1 rank slots)

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.

Long-tail ranks near “acclimatization”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “acclimatization” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
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)

Long-tail rank of “acclimatization” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).acclimatizationfalls in this rarity band:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “abseiling” (#93,366), “Achaemenid” (#93,368), “Abrahamson” (#93,365). Among 3,931 “A” headwords, “acclimatization” is #93,367. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

acclimatization is uncommon English at frequency #93,367 among 3,931 “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.

Recorded use

Wiktionary examples

These source excerpts show how acclimatization appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. The expedition paused to allow for proper acclimatization at base camp.
  2. Acclimatization to extreme climates is essential for survival.

Etymology

From acclimatize + -ation.

This word in other languages

aclimatación(Español)acclimatation(Français)Eingewöhnung(Deutsch)aclimatação(Português)

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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "acclimatization", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 15 letters (nearest by frequency rank).

sadomasochistic#93,111electrophoretic#93,655multilateralism#92,904interprovincial#93,834

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

Source: FrequencyWords open word-frequency list