aestivation
/ˌiːstɪˈveɪʃən/
"aestivation" is a 11-letter English headword indexed on PlainSpell.
The verdict
“aestivation” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 11
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A state of inactivity and metabolic depression during summer: the summer version of hibernation.
| Property | Value |
|---|---|
| Headword | aestivation |
| Language | English |
| Part of speech | Noun |
| IPA | /ˌiːstɪˈveɪʃən/ |
| Letters | 11 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “aestivation” sits in English frequency
Spelling & Dictionary Insight
The English entry for aestivation is 11 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˌiːstɪˈveɪʃən/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.
aestivation has no tracked misspelling variants, a sign its spelling follows regular English conventions. It is not paired with a close-neighbour confusable in our dataset, since no other headword is close enough in sound or shape to pair with it.
Etymologically, the entry records: Borrowed from Latin aestīvātiō, from Latin aestīvō, aestīvāre (“to spend or pass the summer in a place”), from aestīvus (“of or pertaining to summer”), from aestās (“summer”) + -īvus. The correct English form is aestivation, spelled A-E-S-T-I-V-A-T-I-O-N.
Definition
- 1A state of inactivity and metabolic depression during summer: the summer version of hibernation.
- 2The arrangement (vernation) of the parts of a flower inside a bud; prefloration.
- 3The spending or passing of a summer.
Etymology
Borrowed from Latin aestīvātiō, from Latin aestīvō, aestīvāre (“to spend or pass the summer in a place”), from aestīvus (“of or pertaining to summer”), from aestās (“summer”) + -īvus.
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
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Using “aestivation”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is A-E-S-T-I-V-A-T-I-O-N - every other letter order is a misspelling in standard orthography.
- Say it as /ˌiːstɪˈveɪʃən/ (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
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.