Definition of ustulation

• n. - The act of burning or searing.
• n. - The operation of expelling one substance from another by heat, as sulphur or arsenic from ores, in a muffle.
• n. - The roasting or drying of moist substances so as prepare them for pulverizing.
• n. - The burning of wine.
• n. - Lascivious passion; concupiscence.