fuel cell

/ˈfjuː(ə)l sɛl/

//ˈfjuː(ə)l sɛl// noun

"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 May 6, 2026) - An electrochemical device in which the intrinsic chemical free energy of fuel and oxidant is catalytically converted to direct current energy.

Key facts for fuel cell
PropertyValue
Headwordfuel cell
LanguageEnglish
Part of speechNoun
IPA/ˈfjuː(ə)l sɛl/
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “fuel cell” sits in English frequency

fuel cell falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

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

  1. 1
    An electrochemical device in which the intrinsic chemical free energy of fuel and oxidant is catalytically converted to direct current energy.
  2. 2
    Synonym of fuel tank: A fuel storage tank.
  3. 3
    Synonym of fuel tank: A fuel storage tank.

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

How do you spell "fuel cell"?
"fuel cell" is spelled F-U-E-L- -C-E-L-L. The IPA pronunciation is /ˈfjuː(ə)l sɛl/.
What does "fuel cell" mean?
As a noun, "fuel cell" means: An electrochemical device in which the intrinsic chemical free energy of fuel and oxidant is catalytically converted to direct current energy.
How do you pronounce "fuel cell"?
The IPA (International Phonetic Alphabet) transcription for "fuel cell" is /ˈfjuː(ə)l sɛl/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "fuel cell" come from?
"fuel cell" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “fuel cell”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is F-U-E-L- -C-E-L-L - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈfjuː(ə)l sɛl/ (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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list