autoclave
/ˈɔt.əˌkleɪv/
"autoclave" is a 9-letter English headword indexed on PlainSpell.
The verdict
“autoclave” is uncommon English (frequency #69,655 among 3,931 “A” headwords), classed as a noun. The kind of spelling people second-guess.
- #69,655
- frequency rank, English
- 3,931
- “A” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A strong, pressurized, heated vessel, as for laboratory experiments, sterilization, cooking or mineral processing.
Corpus desk
Index EN-autoclave · autoclave · English
autoclave · rank #69,655 · 0 variants · 0 confusables
- FREQ-RARE #69,655
- LEN-LONG 9 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,931
- PHOTO-FINISH axially
Nearest frequency peer: axially (+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 “autoclave”
Sparse band: bars invert rank so rarer forms read shorter
- Ashtabula
Ashtabula
30,352 corpus weight
- Astin
Astin
30,349 corpus weight
- autoclave
autoclave
30,346 corpus weight
- axially
axially
30,345 corpus weight
- ayu
ayu
30,344 corpus weight
- Babington
Babington
30,342 corpus weight
What this shows Long-tail view: where “autoclave” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | autoclave |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈɔt.əˌkleɪv/ |
| Letters | 9 |
| Frequency rank | #69,655 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “autoclave” in English
Rare enough to double-check
autoclave is uncommon English at frequency #69,655 among 3,931 “A” headwords, classed as anoun, transcribed /ˈɔt.əˌkleɪv/. Rarity is why readers land here mid-draft. Gloss: "A strong, pressurized, heated vessel, as for laboratory experiments, sterilization, cooking or mineral processing.".
autoclave has no tracked misspelling variants, a straightforward case of a spelling with little room for common typos. No close-neighbour confusable shows up for this headword in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: Borrowed from French autoclave, formed with prefix auto- + Latin clavis (“key”). The correct English form is autoclave, spelled A-U-T-O-C-L-A-V-E.
Definition
- 1A strong, pressurized, heated vessel, as for laboratory experiments, sterilization, cooking or mineral processing.
Etymology
Borrowed from French autoclave, formed with prefix auto- + Latin clavis (“key”).
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
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "autoclave", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 9 letters (nearest by frequency rank).