Translation guide
Alumina is aluminum oxide, a technical term used in chemistry, materials science, and industry. In Japanese, it is almost always referred to by its chemical name or formula.
The substance aluminum oxide (Al₂O₃), used in ceramics, abrasives, and as a refractory material.
The standard katakana loanword for alumina, widely used in technical and industrial contexts.
アルミナは研磨剤として使われます。
Alumina is used as an abrasive.
An older, rare kanji term for alumina. Mostly found in historical or very specialized texts.
礬土はアルミニウムの原料です。
Bauxite is a raw material for aluminum.
The formal chemical name 'aluminum oxide'. Common in scientific literature.
酸化アルミニウムは化学式Al₂O₃で表されます。
Aluminum oxide is represented by the chemical formula Al₂O₃.