Definition

A type of chemical compound made of aluminum and oxygen, often found in nature as a mineral. It is used in making aluminum and in various products like ceramics and abrasives.

Example

Alumina is a key ingredient in the production of aluminum metal.

Conversation

Did you know that alumina is used in making ceramics?

Really? I had no idea it was that versatile.

Yeah, it's also a key ingredient in aluminum production.

That makes sense! I guess it’s important for a lot of industries.

Synonyms & Antonyms

Root Explanation

Alumina is derived from the Latin word "alumen" (meaning bitter salt or alum), which refers to a type of chemical compound. The suffix "-ina" is used in chemistry to denote a substance or compound. Thus, alumina refers to a compound derived from alum.

Memory Tip

Think of 'alumen' as a type of bitter salt, and remember that 'alumina' refers to a compound related to that salt.

Visually Confused Words