Definition

A common mineral that is colorless, white, or yellowish, made of calcium sulfate, and is used to make plaster and fertilizers.

Example

The builders used gypsum to create smooth walls and ceilings.

Conversation

Have you ever worked with gypsum in your projects?

Yeah, I used it to make some plaster casts once.

That's cool! I heard it's great for improving soil, too.

Definitely, it's a popular choice for gardeners.

Synonyms & Antonyms

Root Explanation

Gypsum comes from the Greek word "gypsos" (meaning plaster). The word refers to a soft sulfate mineral that is used to make plaster and is often found in sedimentary rock formations.

Memory Tip

Think of 'gypsos' which means plaster, helping you remember that gypsum is a mineral used to make plaster.

Visually Confused Words