fluor

/flyɔʀ/

//flyɔʀ// noun

The verdict

“fluor” is uncommon Portuguese (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency Portuguese
5
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - flúor

Corpus desk

Index PT-fluor · fluor · Portuguese

fluor · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MID 5 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "F" thin
  • PHOTO-UNK Peer pending

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.

Key facts for fluor
PropertyValue
Headwordfluor
LanguagePortuguese
Part of speechNoun
IPA/flyɔʀ/
Letters5
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Cauda longa: rank de “fluor” em português

fluorfica fora das 100.000 palavras portuguesas mais frequentes, na cauda longa de vocabulário técnico, arcaico ou raro, onde a dúvida ortográfica aperta.

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

Rare enough to double-check

fluor is uncommon Portuguese outside the top frequency list, classed as anoun, transcribed /flyɔʀ/. Rarity is why readers land here mid-draft. Gloss: "flúor".

Zero misspellings are on record for fluor in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. This headword has no recorded confusable partner, a sign it's visually distinctive enough not to be mixed up with another word.

Wiktionary doesn't record an etymology for this headword, so its spelling is best read as a straightforward mapping from sound to letter. The correct Portuguese form is fluor, spelled F-L-U-O-R.

Definition

  1. 1
    flúor

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 "fluor"?
"fluor" is spelled F-L-U-O-R. The IPA pronunciation is /flyɔʀ/.
What does "fluor" mean?
As a noun, "fluor" means: flúor
How do you pronounce "fluor"?
The IPA (International Phonetic Alphabet) transcription for "fluor" is /flyɔʀ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "fluor" come from?
"fluor" is a Portuguese 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.

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

Source: FrequencyWords open word-frequency list