defibrillation
/diːˌfɪbɹɪˈleɪʃən/
"defibrillation" is a 14-letter English headword indexed on PlainSpell.
The verdict
“defibrillation” is uncommon English (frequency #96,920 among 26,416 “D” headwords), classed as a noun. The kind of spelling people second-guess.
- #96,920
- frequency rank, English
- 26,416
- “D” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The stopping of the fibrillation of the heart in order to restore normal contractions, especially by the use of an electric shock.
| Property | Value |
|---|---|
| Headword | defibrillation |
| Language | English |
| Part of speech | Noun |
| IPA | /diːˌfɪbɹɪˈleɪʃən/ |
| Letters | 14 |
| Frequency rank | #96,920 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “defibrillation” sits in English frequency
Rare enough to double-check
defibrillation is uncommon English at frequency #96,920 among 26,416 “D” headwords, classed as anoun, transcribed /diːˌfɪbɹɪˈleɪʃən/. Rarity is why readers land here mid-draft. Gloss: "The stopping of the fibrillation of the heart in order to restore normal contractions, especially by the use of an electric shock.".
No misspelling variants are generated for defibrillation in our index, which points to an orthography that plays by predictable English rules. No close-neighbour confusable shows up for this headword in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: From de- + fibrillation. The correct English form is defibrillation, spelled D-E-F-I-B-R-I-L-L-A-T-I-O-N.
Definition
- 1The stopping of the fibrillation of the heart in order to restore normal contractions, especially by the use of an electric shock.
Etymology
From de- + fibrillation.
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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Using “defibrillation”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is D-E-F-I-B-R-I-L-L-A-T-I-O-N - every other letter order is a misspelling in standard orthography.
- Say it as /diːˌfɪbɹɪˈleɪʃən/ (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
Other uncommon English words near this rank
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.