bilirrubina

Name: bilirrubina, Portuguese Word Data
Creator: Wiktionary
License: https://creativecommons.org/licenses/by-sa/4.0/

/bi.li.χu.ˈbi.nɐ/

//bi.li.χu.ˈbi.nɐ// noun

By PlainSpell · According to Wiktionary data (CC BY-SA) · analyzed May 6, 2026

The verdict

“bilirrubina” is uncommon Portuguese (frequency #81,019 among 2,073 “B” headwords), classed as a noun. The kind of spelling people second-guess.

#81,019
frequency rank, Portuguese: 2,073
“B” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - pigmento amarelo, presente na bílis e nas fezes, de estrutura complicada; formada pela quebra de grupos heme da hemoglobina (Fórmula: C₃₃H₃₆O₆N₄)

Key facts for bilirrubina
Property	Value
Headword	bilirrubina
Language	Portuguese
Part of speech	Noun
IPA	/bi.li.χu.ˈbi.nɐ/
Letters	11
Frequency rank	#81,019
Misspellings tracked	0
Confusable pairs	0
Source	Wiktionary (kaikki.org)

Where “bilirrubina” 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). bilirrubina lands here:

#81,019

#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

bilirrubina is uncommon Portuguese at frequency #81,019 among 2,073 “B” headwords, classed as anoun, transcribed /bi.li.χu.ˈbi.nɐ/. Rarity is why readers land here mid-draft. Gloss: "pigmento amarelo, presente na bílis e nas fezes, de estrutura complicada; formada pela quebra de grupos heme da hemoglobina (Fórmula: C₃₃H₃₆O₆N₄)".

bilirrubina doesn't appear in our generated misspelling index, since its letter sequence doesn't invite the usual edit-distance slips. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.

No borrowing history is documented for this entry, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct Portuguese form is bilirrubina, spelled B-I-L-I-R-R-U-B-I-N-A.

Definition

1
pigmento amarelo, presente na bílis e nas fezes, de estrutura complicada; formada pela quebra de grupos heme da hemoglobina (Fórmula: C₃₃H₃₆O₆N₄)

This word in other languages

bilirubin(English)bilirrubina(Español)bilirubine(Français)Bilirubin(Deutsch)

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 "bilirrubina"?

"bilirrubina" is spelled B-I-L-I-R-R-U-B-I-N-A. The IPA pronunciation is /bi.li.χu.ˈbi.nɐ/.

What does "bilirrubina" mean?

As a noun, "bilirrubina" means: pigmento amarelo, presente na bílis e nas fezes, de estrutura complicada; formada pela quebra de grupos heme da hemoglobina (Fórmula: C₃₃H₃₆O₆N₄)

How do you pronounce "bilirrubina"?

The IPA (International Phonetic Alphabet) transcription for "bilirrubina" is /bi.li.χu.ˈbi.nɐ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.

What language does "bilirrubina" come from?

"bilirrubina" 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.

Using “bilirrubina”

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

The one correct Portuguese spelling is B-I-L-I-R-R-U-B-I-N-A - every other letter order is a misspelling in standard orthography.
Say it as /bi.li.χu.ˈbi.nɐ/ (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.