Us`tu*la"tion (?), n. [Cf. F. ustulation.]
The act of burning or searing.
Sir W. Petty.
2. Old Chem.
The operation of expelling one substance from another by heat, as sulphur or arsenic from ores, in a muffle.
3. Pharm. (a)
The roasting or drying of moist substances so as prepare them for pulverizing.
The burning of wine.
Lascivious passion; concupiscence.
It is not certain that they took the better part when they chose ustulation before marriage, expressly against the apostle.
© Webster 1913.