Burned metal residue, 4 letters
Crumbly mineral residue, 4 letters
Furnace residue, 4 letters
Heel, 4 letters
Metal combustion residue, 4 letters
Metal oxide, 4 letters
Mineral residue, 4 letters
Name for lime based on its chemical composition, 4 letters
Quicklime, 4 letters
Smeltery refuse, 4 letters
A white crystalline oxide used in the production of calcium hydroxide, 4 letters
Mineral residues, 6 letters