aeration

/ɛːˈɹeɪʃ(ə)n/

//ɛːˈɹeɪʃ(ə)n// noun

"aeration" is a 8-letter English headword indexed on PlainSpell.

The verdict

“aeration” is uncommon English (frequency #53,358 among 3,931 “A” headwords), classed as a noun. The kind of spelling people second-guess.

#53,358
frequency rank, English
3,931
“A” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The process by which air is circulated through or mixed with a substance such as soil or a liquid.

Corpus desk

Index EN-aeration · aeration · English

aeration · rank #53,358 · 0 variants · 0 confusables

  • FREQ-RARE #53,358
  • LEN-LONG 8 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH acca

Nearest frequency peer: acca (-2 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 “aeration”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for aeration
PropertyValue
Headwordaeration
LanguageEnglish
Part of speechNoun
IPA/ɛːˈɹeɪʃ(ə)n/
Letters8
Frequency rank#53,358
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “aeration” 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).aerationfalls 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: “acca” (#53,356), “Agassi” (#53,360), “Abramson” (#53,355). Among 3,931 “A” headwords, “aeration” is #53,358. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

aeration is uncommon English at frequency #53,358 among 3,931 “A” headwords, classed as anoun, transcribed /ɛːˈɹeɪʃ(ə)n/. Rarity is why readers land here mid-draft. 2 senses are on record.

The misspelling generator found no plausible variants for aeration, suggesting the orthography follows predictable English patterns. Our confusable-pair dataset has no match for it, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Wiktionary doesn't record an etymology for this headword, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct English form is aeration, spelled A-E-R-A-T-I-O-N.

Definition

  1. 1
    The process by which air is circulated through or mixed with a substance such as soil or a liquid.
  2. 2
    By extension, a process in which other gases (such as carbon dioxide or nitrogen or argon) are circulated through or mixed with a substance (usually liquid), sometimes with the consequence of increasing the transfer of air into the same liquid at the surface due to the induced circulation.

Recorded use

Wiktionary example

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

  1. The Mekydro transmission employs a single converter and a four-speed mechanical gearbox, which has the advantage of cheapness and simplicity for the same number of gear changes, and does away with the necessity for constantly emptying and filling converters, which tends to harm the oil by aeration.

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 "aeration"?
"aeration" is spelled A-E-R-A-T-I-O-N. The IPA pronunciation is /ɛːˈɹeɪʃ(ə)n/.
What does "aeration" mean?
As a noun, "aeration" means: The process by which air is circulated through or mixed with a substance such as soil or a liquid.
How do you pronounce "aeration"?
The IPA (International Phonetic Alphabet) transcription for "aeration" is /ɛːˈɹeɪʃ(ə)n/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "aeration" come from?
"aeration" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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 "aeration", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list