calcination - v.
1 tr. a reduce, oxidize, or desiccate by strong heat. b burn to ashes; consume by fire; roast. c reduce to calcium oxide by roasting or burning.
2 tr. consume or purify as if by fire.
3 intr. undergo any of these.

calcination n. [ME f. OF calciner or med.L calcinare f. LL calcina lime f. L CALX]