gypsum
nounUK /ˈdʒɪpsəm/
US /ˈdʒɪpsəm/
Gypsum is a soft white rock that people use to make plaster and chalk.
The workers mixed gypsum with water to make plaster for the walls.
RELATED WORDS
OTHER MEANINGS
2. A white mineral found in rocks that is used in building materials.
Large deposits of gypsum are mined in many countries.
3. A material used by farmers to improve the soil.
The farmer spread gypsum on the field to help the crops grow.
4. A substance used by doctors and dentists to make casts and molds.
The doctor used gypsum to make a cast for the broken arm.