alumina
Portuguese, noun
alumina is spelled A-L-U-M-I-N-A (7 letters) and appears about once in every 7 million words in written Portuguese, the 83,632nd most frequent Portuguese word form (wordfreq, 2021 data). Alumina is a Portuguese feminine noun meaning “alumina (aluminium oxide)” (English Wiktionary, September 2026). With an accent, alúmina is a different word: “alternative form of alumina”. The Portuguese Wiktionary (Wikcionário) defines it as “óxido natural ou sintético de alumínio”.
What does alumina mean in English?
noun
- 1
femininealumina (aluminium oxide)
noun
- 1
femininealternative form of alumina
Source: English Wiktionary, Portuguese section, dump of September 2, 2026 (CC BY-SA 4.0).
How Portuguese dictionaries define it
noun: 1. óxido natural ou sintético de alumínio
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 alumina
- aluminas plural
- alúmina alternative
- alúminas plural
Source: English Wiktionary and Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026).
English words that translate to alumina
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is alumina in Portuguese?
alumina appears about once in every 7 million words in written Portuguese.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).