fuel cell
/ˈfjuː(ə)l sɛl/
"fuel-cell" is a 8-letter English headword indexed on PlainSpell.
The verdict
“fuel cell” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 9
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An electrochemical device in which the intrinsic chemical free energy of fuel and oxidant is catalytically converted to direct current energy.
Corpus desk
Index EN-fuel-cell · fuel cell · English
fuel cell · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 9 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "F" thin
- PHOTO-UNK Peer pending
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.
| Property | Value |
|---|---|
| Headword | fuel cell |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈfjuː(ə)l sɛl/ |
| Letters | 9 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “fuel cell” in English
Rare enough to double-check
fuel cell is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈfjuː(ə)l sɛl/. Rarity is why readers land here mid-draft. 3 senses are on record.
fuel cell doesn't appear in our generated misspelling index, typically a sign the spelling maps closely to how the word sounds. This entry stands alone in our confusable dataset, a sign it's visually distinctive enough not to be mixed up with another word.
This entry's etymology isn't recorded, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct English form is fuel cell, spelled F-U-E-L- -C-E-L-L.
Definition
- 1An electrochemical device in which the intrinsic chemical free energy of fuel and oxidant is catalytically converted to direct current energy.
- 2Synonym of fuel tank: A fuel storage tank.
- 3Synonym of fuel tank: A fuel storage tank.
Recorded use
Wiktionary examplesThese source excerpts show how fuel cell appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
A new energy source claimed by Mr. Coultas to be potentially applicable to locomotives is the fuel cell, now becoming more commonly known as the fuel battery. [...] The fuel cells which are furthest advanced in engineering development today use hydrogen as the fuel.
The Mako is powered by a sealed hydrogen-oxygen fuel cell, and includes a small element zero core. While not large enough to nullify the vehicle’s mass, the core can reduce it enough to be safely air-dropped.
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.