queratina
Portuguese, noun/ke.ɾaˈt͡ʃĩ.nɐ/
queratina is spelled Q-U-E-R-A-T-I-N-A (9 letters) and appears about once in every 2 million words in written Portuguese, the 51,518th most frequent Portuguese word form (wordfreq, 2021 data). Queratina is a Portuguese feminine noun meaning “keratin (protein that hair and nails are made of)” (English Wiktionary, September 2026). The Portuguese Wiktionary (Wikcionário) defines it as “proteína com uma estrutura fibrosa, rica em enxofre, que é o principal componente na formação das camadas…”.
What does queratina mean in English?
noun
- 1
femininekeratin (protein that hair and nails are made of)
Source: English Wiktionary, Portuguese section, dump of September 2, 2026 (CC BY-SA 4.0).
How Portuguese dictionaries define it
noun: 1. proteína com uma estrutura fibrosa, rica em enxofre, que é o principal componente na formação das camadas externas da epiderme de vertebrados e outros órgãos derivados de ectoderme (como cabelo, unha, pena, chifre e casco)
The definition in the Portuguese Wiktionary (Wikcionário), in Portuguese.
Source: Portuguese Wiktionary (Wikcionário), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of queratina
- queratinas plural
Source: English Wiktionary and Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce queratina?
- Brazil /ke.ɾaˈt͡ʃĩ.nɐ/
- Portugal /kɨ.ɾɐˈti.nɐ/
Sources: English Wiktionary, Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to queratina
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is queratina in Portuguese?
queratina appears about once in every 2 million words in written Portuguese.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).