It can be dehydrated (remove the water) to calcium oxide by heat.
The new formulation is known to be of plant origin, using calcium oxide in order to gauge color depth.
"Calx" is also sometimes used in older texts on artist's techniques to mean calcium oxide.
A stabilizer, typically calcium oxide, is mixed with the feed powder.
The calcium oxide reacts with the sand to make a liquid called a slag.
Cement: Calcium oxide is a key ingredient for the process of making cement.
It decomposes to make nitrogen dioxide and calcium oxide when heated.
Calcium oxide was brought out of the kiln through two arched openings that visitors can see from the trail.
Cement was made of hydrated lime (calcium oxide) mixed with sand and water.
If the reaction is incomplete, excessive amounts of free calcium oxide remain in the clinker.