obturation
"obturation" is a 10-letter English headword indexed on PlainSpell.
The verdict
“obturation” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 10
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The act of stopping up, or closing, an opening.
| Property | Value |
|---|---|
| Headword | obturation |
| Language | English |
| Part of speech | Noun |
| Letters | 10 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “obturation” sits in English frequency
Rare enough to double-check
obturation is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.
Our edit-distance generator produced no likely misspellings for obturation, and the word's spelling is regular enough that our generator found nothing worth flagging. Our confusable-pair dataset has no match for it, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: From Latin obtūrātiō. Compare French obturation. The correct English form is obturation, spelled O-B-T-U-R-A-T-I-O-N.
Definition
- 1The act of stopping up, or closing, an opening.
- 2The process of a bullet expanding under pressure to fit the bore of the firearm, or a cartridge case expanding under pressure to seal the chamber.
Etymology
From Latin obtūrātiō. Compare French obturation.
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 “obturation”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is O-B-T-U-R-A-T-I-O-N - every other letter order is a misspelling in standard orthography.
- 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.