calcined gypsum
31calcium sulfate — n a white calcium salt CaSO4 used esp. as a diluent in tablets and in hydrated form as plaster of paris * * * [NF] the sulfate salt of calcium, CaSO4, found commonly in nature in the anhydrous form (anhydrite) and in a hydrated form known as… …
32Calcium carbonate — Calcium carbonate …
33List of alchemical substances — Alchemical studies produced a number of substances, which were later classified as particular chemical compounds or mixtures of compounds.Many of these terms were in common use into the 20th century.* Aqua Fortis nitric acid, can be formed by 2… …
34Libyan Iron and Steel Company — Infobox Company name = rtl ar. الشركة الليبية الحديد و الصلب Libyan Iron and Steel Company company type = State owned foundation = September 18, 1979 location city = Misurata location country = flagicon|Libya Libya location = locations = key… …
35atomic number 20 — noun a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth s crust; an important component of most plants and animals • Syn: ↑calcium, ↑Ca • Derivationally related forms: ↑calcify (for: ↑calcium) …
36mack's cement — ˈmak(s) noun Usage: usually capitalized M Etymology: after L. Mack, 19th century scientist : a cementing material made by the complete dehydration of gypsum and the addition of a small percentage of calcined sodium sulfate and potassium sulfate …
