fluorite

/ˈflʊɚˌaɪt/

//ˈflʊɚˌaɪt// noun

"fluorite" is a 8-letter English headword indexed on PlainSpell.

The verdict

“fluorite” is uncommon English (frequency #64,379 among 18,613 “F” headwords), classed as a noun. The kind of spelling people second-guess.

#64,379
frequency rank, English
18,613
“F” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A widely occurring mineral comprising calcium fluoride plus or minus impurities, of various colours, used as a flux in steelmaking, and in the manufacture of glass, enamels and hydrofluoric acid.

Key facts for fluorite
PropertyValue
Headwordfluorite
LanguageEnglish
Part of speechNoun
IPA/ˈflʊɚˌaɪt/
Letters8
Frequency rank#64,379
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “fluorite” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). fluorite lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

fluorite is uncommon English at frequency #64,379 among 18,613 “F” headwords, classed as anoun, transcribed /ˈflʊɚˌaɪt/. Rarity is why readers land here mid-draft. Gloss: "A widely occurring mineral comprising calcium fluoride plus or minus impurities, of various colours, used as a flux in steelmaking, and in the manufacture of glass, enamels and hydrofluoric acid.".

No generated misspelling entries exist for fluorite in our index, suggesting the orthography follows predictable English patterns. Our confusable-pair dataset has no match for it, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From fluor + -ite. The correct English form is fluorite, spelled F-L-U-O-R-I-T-E.

Definition

  1. 1
    A widely occurring mineral comprising calcium fluoride plus or minus impurities, of various colours, used as a flux in steelmaking, and in the manufacture of glass, enamels and hydrofluoric acid.

Etymology

From fluor + -ite.

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

How do you spell "fluorite"?
"fluorite" is spelled F-L-U-O-R-I-T-E. The IPA pronunciation is /ˈflʊɚˌaɪt/.
What does "fluorite" mean?
As a noun, "fluorite" means: A widely occurring mineral comprising calcium fluoride plus or minus impurities, of various colours, used as a flux in steelmaking, and in the manufacture of glass, enamels and hydrofluoric acid.
How do you pronounce "fluorite"?
The IPA (International Phonetic Alphabet) transcription for "fluorite" is /ˈflʊɚˌaɪt/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "fluorite"?
From fluor + -ite. See the full etymology section above for more details.
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 “fluorite”

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

  • The one correct English spelling is F-L-U-O-R-I-T-E - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈflʊɚˌaɪt/ (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.

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

Source: FrequencyWords open word-frequency list