fluorescência

/flwu.ɾɨʃ.ˈsẽ.sjɐ/

//flwu.ɾɨʃ.ˈsẽ.sjɐ// noun

The verdict

“fluorescência” is uncommon Portuguese (frequency #58,518 among 1,704 “F” headwords), classed as a noun. The kind of spelling people second-guess.

#58,518
frequency rank, Portuguese
1,704
“F” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - capacidade de uma substância de emitir luz quando exposta a radiações do tipo ultravioleta (UV), raios catódicos ou raios X

Key facts for fluorescência
PropertyValue
Headwordfluorescência
LanguagePortuguese
Part of speechNoun
IPA/flwu.ɾɨʃ.ˈsẽ.sjɐ/
Letters13
Frequency rank#58,518
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “fluorescência” sits in Portuguese 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). fluorescência 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

fluorescência is uncommon Portuguese at frequency #58,518 among 1,704 “F” headwords, classed as anoun, transcribed /flwu.ɾɨʃ.ˈsẽ.sjɐ/. Rarity is why readers land here mid-draft. Gloss: "capacidade de uma substância de emitir luz quando exposta a radiações do tipo ultravioleta (UV), raios catódicos ou raios X".

We couldn't generate a plausible misspelling set for fluorescência, a sign its spelling follows regular Portuguese conventions. It is not paired with a close-neighbour confusable in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

No explicit etymology string is stored for this entry, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct Portuguese form is fluorescência, spelled F-L-U-O-R-E-S-C-Ê-N-C-I-A.

Definition

  1. 1
    capacidade de uma substância de emitir luz quando exposta a radiações do tipo ultravioleta (UV), raios catódicos ou raios X

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 Portuguese corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "fluorescência"?
"fluorescência" is spelled F-L-U-O-R-E-S-C-Ê-N-C-I-A. The IPA pronunciation is /flwu.ɾɨʃ.ˈsẽ.sjɐ/.
What does "fluorescência" mean?
As a noun, "fluorescência" means: capacidade de uma substância de emitir luz quando exposta a radiações do tipo ultravioleta (UV), raios catódicos ou raios X
How do you pronounce "fluorescência"?
The IPA (International Phonetic Alphabet) transcription for "fluorescência" is /flwu.ɾɨʃ.ˈsẽ.sjɐ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "fluorescência" come from?
"fluorescência" is a Portuguese word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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 “fluorescência”

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

  • The one correct Portuguese spelling is F-L-U-O-R-E-S-C-Ê-N-C-I-A - every other letter order is a misspelling in standard orthography.
  • Say it as /flwu.ɾɨʃ.ˈsẽ.sjɐ/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more Portuguese words and confusable pairs in the same reference. Portuguese words

Other uncommon Portuguese 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 FrequencyWords open word-frequency list