gypsum
gypsum
Definition
gyp·sum (jip′səm)
noun
a very soft, monoclinic mineral, CaSO·2HO, commonly found with other evaporites in sedimentary rock and used to make plaster of Paris and cement; hydrous calcium sulfate
Etymology: ME < L < Gr gypsos, chalk, gypsum < Sem
gypsum
Usage Examples
Converse of object
- base: There are quite a few plasters but two main types - gypsum based and cement based.
- use: This program has described the principle derivatives of gypsum used in dentistry.
- contain: From the top of the ridge we were able to look down on the next valley which also contains gypsum.
- include: Minerals formed in this way include gypsum, rock salt, and various nitrates and borates.
- produce: These units use limestone to absorb the sulfur which produces gypsum as a waste product.
- add: Adding gypsum to clay soils will help improve soil structure.
Adjective modifier
- white: You can hike or even dune surf the shifting white gypsum.
- natural: Over 95 per cent of the natural gypsum come from Rajasthan.
- pure: In the latter case it will be necessary to gage the lime plaster with gypsum onto a drying initial thin coat of pure gypsum.
- synthetic: Radioactivity is a major concern where plasterboard is made from synthetic gypsum.
- dry: Dry gypsum, with no free moisture, contains 21 % chemically bonded water by weight ( Thomas 2002 ).
Modifies a noun
- plasterboard: Non load bearing walls are built in flue gas gypsum plasterboard which is 100 % recycled.
- plaster: A layer of sand to protect the ancient gypsum plaster from the new blocks has already been put down.
- crystal: I have also found gypsum crystals in Doolin river cave which, I think, is the first report of them in Co Clare.
- mine: A young lad of 15 had been invited to visit his uncle in the gypsum mine that day, he was among the dead.
- board: Alternatively, plaster on the 10mm lighter colored, gypsum board side of the Maxiboard.
- product: There is no change to the disposal of waste gypsum products in July 2004.
Noun used with modifier
