CALCINE

I. verb (~d; calcining) Etymology: Middle English calcenen, from Medieval Latin calcinare, from Late Latin calcina lime, from Latin calc-, calx Date: 14th century transitive verb to heat (as inorganic materials) to a high temperature but without fusing in order to drive off volatile matter or to effect changes (as oxidation or pulverization), intransitive verb to undergo calcination, II. noun Date: circa 1909 a product (as a metal oxide) of calcination or roasting