alumina

🇺🇸 /əˈluːmɪnə/ 🇬🇧 /əˈluːmɪnə/
빈도
난이도
태그 RARE
noun
R

A white compound made of aluminum and oxygen, found in rocks and used to make things like ceramics and glass.

Alumina is the main ingredient in the production of aluminum and is also used to make abrasives and refractory materials.

알루미나는 알루미늄 생산의 주요 성분이며 연마재 및 내열재를 만드는 데에도 사용됩니다.

translation

n. 알루미나

어형 변화

Plural aluminas