calcinatory adjective 1noun 1forms 1 adjective1 •Used for or pertaining to calcination.While the percentage of sulphur obtained by this system is greater than by the calcinatory furnace, the quality is said to be inferior . — 1901 noun1 •(no longer used) A vessel used in calcination.The generation of exhaust gases at the Bayer process occurs essentially at two points: the steam generating boiler and the alumina calcinatory. — 2012 formscalcinatories
