calcination

/ˌkælsəˈneɪʃən/
noun
  1. The process of heating a substance to a high temperature but below its melting point, often to remove water or other volatile parts or to cause oxidation.
    • In the lab, calcination is used to purify metal ores.
    • The ancient process of calcination was essential for making plaster.
    • The calcination of limestone produces quicklime.
Synonyms
What does "calcination" mean? | whatsthatwordmean | whatsthatwordmean