fluorescência

/flwu.ɾɨʃ.ˈsẽ.sjɐ/

//flwu.ɾɨʃ.ˈsẽ.sjɐ// noun

The verdict

“fluorescência” is uncommon Portuguese (frequency #58,518 among 853 “F” headwords), classed as a noun. The kind of spelling people second-guess.

#58,518
frequency rank, Portuguese
853
“F” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - capacidade de uma substância de emitir luz quando exposta a radiações do tipo ultravioleta (UV), raios catódicos ou raios X

Corpus desk

Index PT-fluorescencia · fluorescência · Portuguese

fluorescência · rank #58,518 · 0 variants · 0 confusables

  • FREQ-RARE #58,518
  • LEN-MEGA 13 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 853
  • PHOTO-FINISH fortificado

Nearest frequency peer: fortificado (+1 rank slots)

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.

Ranks da cauda longa perto de “fluorescência”

Faixa escassa: as barras invertem o rank para o raro ler-se mais curto

corpus weight

What this shows Vista da cauda longa: onde “fluorescência” se situa face a ranks portugueses igualmente raros.

Source FrequencyWords open word-frequency list As of September 3, 2026
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)

Cauda longa: rank de “fluorescência” em português

Esta escala corre do núcleo do português quotidiano (esquerda) até o rastro de formas raras (direita).fluorescênciacai nesta cauda de raridade:

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

Os ticks avançam em logaritmo; cada um é da ordem de dez vezes mais raro. Vizinhos raros da mesma faixa: “fortificado” (#58,519), “fractal” (#58,520), “fibromialgia” (#58,511). Entre 853 lemas com “F”, “fluorescência” fica em #58,518. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

fluorescência is uncommon Portuguese at frequency #58,518 among 853 “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.

Similar Portuguese words by spelling shape

Same letter count and similar misspelling depth for "fluorescência", not the corpus desk frequency band.

Same letter count

Frequency-ranked Portuguese headwords with 13 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list