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Added 10 October 2026

alumina

/əˈl(j)uːmɪnə/ noun

Latin root: alumen Wiktionary

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about alumina at Wordnik → Where our words come from →

Aluminum oxide, especially when used in mining, material sciences or ceramics, a refractory solid compound.

Origin

From the combining form of Latin alumen + -a.

From Wiktionary, via Kaikki.org (CC BY-SA)

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