What is another word for alundum?
Pronunciation: [ɐlˈʌndəm] (IPA) 
Alundum is a trademarked name for a type of alumina ceramic material that is often used as a grinding agent or abrasive. However, there are several synonyms for the word alundum that are commonly used in industry and manufacturing. Some examples include corundum, which is another name for aluminum oxide and is often used as a grinding material for metal alloys and ceramics. Other synonyms include sapphire, ruby, and emery, which are all types of crystalline alumina that can be used for grinding or polishing. Diamond, silicon carbide, and boron nitride are also popular abrasive materials that can be used as alternatives to alundum.
