gypsum
jip suhm
- n a common white or colorless mineral (hydrated calcium sulphate) used to make cements and plasters (especially plaster of Paris)
- On the east side is a plant that uses gypsum to make Sheetrock and that, thanks to Riverkeeper, has done a cleanup.
- Gypsum, with 75% of the water drawn out, has long been termed Plaster of Paris.
- A white, nonmetallic mineral is gypsum.