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PlainSpell

acclimation

/æk.ləˈmeɪ.ʃən/noun

acclimation is spelled A-C-C-L-I-M-A-T-I-O-N: 11 letters and 4 syllables. It appears about once in every 8 million words in written English, the 85,266th most frequent word form (wordfreq, 2021 data). People search “acclamation vs acclimation” about 40 times a month (Google, United States). As a noun, acclimation means “The process of becoming, or the state of being, acclimated, or habituated to a new climate, surroundings, or situation; especially, acclimatization” (English Wiktionary, September 2026). The plural of acclimation is acclimations.

How many letters and syllables are in acclimation?

Letters11: A-C-C-L-I-M-A-T-I-O-N
Syllables4 (from its American pronunciation)
In writingabout once in every 8 million words; the 85,266th most frequent word form
Wrong spellings searchednone measured in search
Pairs people search
Sounds like
Rhymes with

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026); rhymes and same-letter words are computed by PlainSpell from its own word list.

How common is acclimation?

Acclimation appears about once in every 8 million words in written English, the 85,266th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How do you pronounce acclimation?

  • US /æk.ləˈmeɪ.ʃən/

Acclimation has 4 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Aquild-acclimation.wav, Wikimedia Commons (author and licence on each file's page).

Words people confuse with acclimation

Word pairs people search, with the monthly searches for “a vs b” (G: Google, B: Bing, United States).

acclamation vs acclimation40 G

Sounds like: acclamation (Wiktionary's homophone list; some hold only in some accents).

Sources: Google and Bing searches (September 2025 to August 2026, through DataForSEO); English Wiktionary (homophones, alternative spellings).

What rhymes with acclimation?

The 12 most written words on PlainSpell end in the same sounds as acclimation from its last stressed vowel (/eɪʃən/):

Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).

Forms of acclimation

  • acclimations plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does acclimation mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    The process of becoming, or the state of being, acclimated, or habituated to a new climate, surroundings, or situation; especially, acclimatization.

  2. 2

    The adaptation of an organism to its natural climatic environment.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Where does acclimation come from?

From acclimate + -ion. First attested in 1801.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What to look up after acclimation